Home / 15,691.60-23,398.94-13,514.32

Finding the Fourth Proportional to 15,691.60, 23,398.94 and 13,514.32

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Solution

The fourth proportional to 15,691.60, 23,398.94 and 13,514.32 is: 20,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.60 : 23,398.94 = 13,514.32 : x
  2. Step 2: Convert to fraction form
    15,691.60/23,398.94 = 13,514.32/x
  3. Step 3: Cross multiply
    15,691.60x = 23,398.94 × 13,514.32
  4. Step 4: Simplify right side
    15,691.60x = 316,220,762.82
  5. Step 5: Solve for x
    x = 316,220,762.82/15,691.60
  6. Step 6: Final answer
    x = 20,152.23

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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.