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Finding the Fourth Proportional to 9,543.52, 14,315.28 and 3,388

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Solution

The fourth proportional to 9,543.52, 14,315.28 and 3,388 is: 5,082

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.52 : 14,315.28 = 3,388 : x
  2. Step 2: Convert to fraction form
    9,543.52/14,315.28 = 3,388/x
  3. Step 3: Cross multiply
    9,543.52x = 14,315.28 × 3,388
  4. Step 4: Simplify right side
    9,543.52x = 48,500,168.64
  5. Step 5: Solve for x
    x = 48,500,168.64/9,543.52
  6. Step 6: Final answer
    x = 5,082

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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.