Home / 19,617.29-29,426.11-13,971.14

Finding the Fourth Proportional to 19,617.29, 29,426.11 and 13,971.14

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Solution

The fourth proportional to 19,617.29, 29,426.11 and 13,971.14 is: 20,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.29 : 29,426.11 = 13,971.14 : x
  2. Step 2: Convert to fraction form
    19,617.29/29,426.11 = 13,971.14/x
  3. Step 3: Cross multiply
    19,617.29x = 29,426.11 × 13,971.14
  4. Step 4: Simplify right side
    19,617.29x = 411,116,302.47
  5. Step 5: Solve for x
    x = 411,116,302.47/19,617.29
  6. Step 6: Final answer
    x = 20,956.83

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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.