Home / 19,913.04-29,876.94-9,517.68

Finding the Fourth Proportional to 19,913.04, 29,876.94 and 9,517.68

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Solution

The fourth proportional to 19,913.04, 29,876.94 and 9,517.68 is: 14,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.04 : 29,876.94 = 9,517.68 : x
  2. Step 2: Convert to fraction form
    19,913.04/29,876.94 = 9,517.68/x
  3. Step 3: Cross multiply
    19,913.04x = 29,876.94 × 9,517.68
  4. Step 4: Simplify right side
    19,913.04x = 284,359,154.30
  5. Step 5: Solve for x
    x = 284,359,154.30/19,913.04
  6. Step 6: Final answer
    x = 14,280.05

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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.