Home / 12,000.12-16,559.10-7,284.12

Finding the Fourth Proportional to 12,000.12, 16,559.10 and 7,284.12

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Solution

The fourth proportional to 12,000.12, 16,559.10 and 7,284.12 is: 10,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.12 : 16,559.10 = 7,284.12 : x
  2. Step 2: Convert to fraction form
    12,000.12/16,559.10 = 7,284.12/x
  3. Step 3: Cross multiply
    12,000.12x = 16,559.10 × 7,284.12
  4. Step 4: Simplify right side
    12,000.12x = 120,618,471.49
  5. Step 5: Solve for x
    x = 120,618,471.49/12,000.12
  6. Step 6: Final answer
    x = 10,051.44

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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.