Home / 19,343.70-29,013.08-7,489.36

Finding the Fourth Proportional to 19,343.70, 29,013.08 and 7,489.36

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Solution

The fourth proportional to 19,343.70, 29,013.08 and 7,489.36 is: 11,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.70 : 29,013.08 = 7,489.36 : x
  2. Step 2: Convert to fraction form
    19,343.70/29,013.08 = 7,489.36/x
  3. Step 3: Cross multiply
    19,343.70x = 29,013.08 × 7,489.36
  4. Step 4: Simplify right side
    19,343.70x = 217,289,363.38
  5. Step 5: Solve for x
    x = 217,289,363.38/19,343.70
  6. Step 6: Final answer
    x = 11,233.08

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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.