Home / 12,000.12-16,558.18-6,694.76

Finding the Fourth Proportional to 12,000.12, 16,558.18 and 6,694.76

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Solution

The fourth proportional to 12,000.12, 16,558.18 and 6,694.76 is: 9,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.12 : 16,558.18 = 6,694.76 : x
  2. Step 2: Convert to fraction form
    12,000.12/16,558.18 = 6,694.76/x
  3. Step 3: Cross multiply
    12,000.12x = 16,558.18 × 6,694.76
  4. Step 4: Simplify right side
    12,000.12x = 110,853,041.14
  5. Step 5: Solve for x
    x = 110,853,041.14/12,000.12
  6. Step 6: Final answer
    x = 9,237.66

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Half scale
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Double scale
Find fourth proportional to 12,001.12, 16,559.56 and 6,695.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.