Home / 17,066.79-25,600.19-5,380.92

Finding the Fourth Proportional to 17,066.79, 25,600.19 and 5,380.92

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Solution

The fourth proportional to 17,066.79, 25,600.19 and 5,380.92 is: 8,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,066.79 : 25,600.19 = 5,380.92 : x
  2. Step 2: Convert to fraction form
    17,066.79/25,600.19 = 5,380.92/x
  3. Step 3: Cross multiply
    17,066.79x = 25,600.19 × 5,380.92
  4. Step 4: Simplify right side
    17,066.79x = 137,752,547.47
  5. Step 5: Solve for x
    x = 137,752,547.47/17,066.79
  6. Step 6: Final answer
    x = 8,071.38

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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.