Home / 22,681.25-31,301.75-12,609.71

Finding the Fourth Proportional to 22,681.25, 31,301.75 and 12,609.71

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Solution

The fourth proportional to 22,681.25, 31,301.75 and 12,609.71 is: 17,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.25 : 31,301.75 = 12,609.71 : x
  2. Step 2: Convert to fraction form
    22,681.25/31,301.75 = 12,609.71/x
  3. Step 3: Cross multiply
    22,681.25x = 31,301.75 × 12,609.71
  4. Step 4: Simplify right side
    22,681.25x = 394,705,926.94
  5. Step 5: Solve for x
    x = 394,705,926.94/22,681.25
  6. Step 6: Final answer
    x = 17,402.30

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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.