Home / 15,543-23,318.19-5,154.75

Finding the Fourth Proportional to 15,543, 23,318.19 and 5,154.75

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Solution

The fourth proportional to 15,543, 23,318.19 and 5,154.75 is: 7,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543 : 23,318.19 = 5,154.75 : x
  2. Step 2: Convert to fraction form
    15,543/23,318.19 = 5,154.75/x
  3. Step 3: Cross multiply
    15,543x = 23,318.19 × 5,154.75
  4. Step 4: Simplify right side
    15,543x = 120,199,439.90
  5. Step 5: Solve for x
    x = 120,199,439.90/15,543
  6. Step 6: Final answer
    x = 7,733.35

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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.