Home / 12,001.25-16,561.68-6,695.75

Finding the Fourth Proportional to 12,001.25, 16,561.68 and 6,695.75

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Solution

The fourth proportional to 12,001.25, 16,561.68 and 6,695.75 is: 9,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.25 : 16,561.68 = 6,695.75 : x
  2. Step 2: Convert to fraction form
    12,001.25/16,561.68 = 6,695.75/x
  3. Step 3: Cross multiply
    12,001.25x = 16,561.68 × 6,695.75
  4. Step 4: Simplify right side
    12,001.25x = 110,892,868.86
  5. Step 5: Solve for x
    x = 110,892,868.86/12,001.25
  6. Step 6: Final answer
    x = 9,240.11

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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.