Home / 12,542.93-17,294.28-8,066.87

Finding the Fourth Proportional to 12,542.93, 17,294.28 and 8,066.87

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Solution

The fourth proportional to 12,542.93, 17,294.28 and 8,066.87 is: 11,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.93 : 17,294.28 = 8,066.87 : x
  2. Step 2: Convert to fraction form
    12,542.93/17,294.28 = 8,066.87/x
  3. Step 3: Cross multiply
    12,542.93x = 17,294.28 × 8,066.87
  4. Step 4: Simplify right side
    12,542.93x = 139,510,708.50
  5. Step 5: Solve for x
    x = 139,510,708.50/12,542.93
  6. Step 6: Final answer
    x = 11,122.66

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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.