Home / 15,690.60-23,397.45-13,513.32

Finding the Fourth Proportional to 15,690.60, 23,397.45 and 13,513.32

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Solution

The fourth proportional to 15,690.60, 23,397.45 and 13,513.32 is: 20,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.60 : 23,397.45 = 13,513.32 : x
  2. Step 2: Convert to fraction form
    15,690.60/23,397.45 = 13,513.32/x
  3. Step 3: Cross multiply
    15,690.60x = 23,397.45 × 13,513.32
  4. Step 4: Simplify right side
    15,690.60x = 316,177,229.03
  5. Step 5: Solve for x
    x = 316,177,229.03/15,690.60
  6. Step 6: Final answer
    x = 20,150.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.