Home / 22,310.28-30,785.91-13,357.55

Finding the Fourth Proportional to 22,310.28, 30,785.91 and 13,357.55

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Solution

The fourth proportional to 22,310.28, 30,785.91 and 13,357.55 is: 18,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.28 : 30,785.91 = 13,357.55 : x
  2. Step 2: Convert to fraction form
    22,310.28/30,785.91 = 13,357.55/x
  3. Step 3: Cross multiply
    22,310.28x = 30,785.91 × 13,357.55
  4. Step 4: Simplify right side
    22,310.28x = 411,224,265.33
  5. Step 5: Solve for x
    x = 411,224,265.33/22,310.28
  6. Step 6: Final answer
    x = 18,432.05

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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.