Home / 13,554-20,330.88-4,789.52

Finding the Fourth Proportional to 13,554, 20,330.88 and 4,789.52

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Solution

The fourth proportional to 13,554, 20,330.88 and 4,789.52 is: 7,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554 : 20,330.88 = 4,789.52 : x
  2. Step 2: Convert to fraction form
    13,554/20,330.88 = 4,789.52/x
  3. Step 3: Cross multiply
    13,554x = 20,330.88 × 4,789.52
  4. Step 4: Simplify right side
    13,554x = 97,375,156.38
  5. Step 5: Solve for x
    x = 97,375,156.38/13,554
  6. Step 6: Final answer
    x = 7,184.24

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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.