Home / 16,781.28-23,157.37-9,227.93

Finding the Fourth Proportional to 16,781.28, 23,157.37 and 9,227.93

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Solution

The fourth proportional to 16,781.28, 23,157.37 and 9,227.93 is: 12,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.28 : 23,157.37 = 9,227.93 : x
  2. Step 2: Convert to fraction form
    16,781.28/23,157.37 = 9,227.93/x
  3. Step 3: Cross multiply
    16,781.28x = 23,157.37 × 9,227.93
  4. Step 4: Simplify right side
    16,781.28x = 213,694,459.14
  5. Step 5: Solve for x
    x = 213,694,459.14/16,781.28
  6. Step 6: Final answer
    x = 12,734.10

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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.