Home / 21,301.31-31,956.09-9,614.53

Finding the Fourth Proportional to 21,301.31, 31,956.09 and 9,614.53

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Solution

The fourth proportional to 21,301.31, 31,956.09 and 9,614.53 is: 14,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.31 : 31,956.09 = 9,614.53 : x
  2. Step 2: Convert to fraction form
    21,301.31/31,956.09 = 9,614.53/x
  3. Step 3: Cross multiply
    21,301.31x = 31,956.09 × 9,614.53
  4. Step 4: Simplify right side
    21,301.31x = 307,242,789.88
  5. Step 5: Solve for x
    x = 307,242,789.88/21,301.31
  6. Step 6: Final answer
    x = 14,423.66

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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.