Home / 22,681.66-31,301.76-12,610.28

Finding the Fourth Proportional to 22,681.66, 31,301.76 and 12,610.28

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Solution

The fourth proportional to 22,681.66, 31,301.76 and 12,610.28 is: 17,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.66 : 31,301.76 = 12,610.28 : x
  2. Step 2: Convert to fraction form
    22,681.66/31,301.76 = 12,610.28/x
  3. Step 3: Cross multiply
    22,681.66x = 31,301.76 × 12,610.28
  4. Step 4: Simplify right side
    22,681.66x = 394,723,958.09
  5. Step 5: Solve for x
    x = 394,723,958.09/22,681.66
  6. Step 6: Final answer
    x = 17,402.78

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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.