Home / 16,691.37-25,062.11-15,888.86

Finding the Fourth Proportional to 16,691.37, 25,062.11 and 15,888.86

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Solution

The fourth proportional to 16,691.37, 25,062.11 and 15,888.86 is: 23,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.37 : 25,062.11 = 15,888.86 : x
  2. Step 2: Convert to fraction form
    16,691.37/25,062.11 = 15,888.86/x
  3. Step 3: Cross multiply
    16,691.37x = 25,062.11 × 15,888.86
  4. Step 4: Simplify right side
    16,691.37x = 398,208,305.91
  5. Step 5: Solve for x
    x = 398,208,305.91/16,691.37
  6. Step 6: Final answer
    x = 23,857.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.