Home / 15,984.59-22,057.92-8,909.64

Finding the Fourth Proportional to 15,984.59, 22,057.92 and 8,909.64

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Solution

The fourth proportional to 15,984.59, 22,057.92 and 8,909.64 is: 12,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.59 : 22,057.92 = 8,909.64 : x
  2. Step 2: Convert to fraction form
    15,984.59/22,057.92 = 8,909.64/x
  3. Step 3: Cross multiply
    15,984.59x = 22,057.92 × 8,909.64
  4. Step 4: Simplify right side
    15,984.59x = 196,528,126.35
  5. Step 5: Solve for x
    x = 196,528,126.35/15,984.59
  6. Step 6: Final answer
    x = 12,294.85

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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.