Home / 19,234.72-28,851.78-9,869.34

Finding the Fourth Proportional to 19,234.72, 28,851.78 and 9,869.34

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Solution

The fourth proportional to 19,234.72, 28,851.78 and 9,869.34 is: 14,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.72 : 28,851.78 = 9,869.34 : x
  2. Step 2: Convert to fraction form
    19,234.72/28,851.78 = 9,869.34/x
  3. Step 3: Cross multiply
    19,234.72x = 28,851.78 × 9,869.34
  4. Step 4: Simplify right side
    19,234.72x = 284,747,882.17
  5. Step 5: Solve for x
    x = 284,747,882.17/19,234.72
  6. Step 6: Final answer
    x = 14,803.85

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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.