Home / 15,545.47-23,318.13-5,682.40

Finding the Fourth Proportional to 15,545.47, 23,318.13 and 5,682.40

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Solution

The fourth proportional to 15,545.47, 23,318.13 and 5,682.40 is: 8,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.47 : 23,318.13 = 5,682.40 : x
  2. Step 2: Convert to fraction form
    15,545.47/23,318.13 = 5,682.40/x
  3. Step 3: Cross multiply
    15,545.47x = 23,318.13 × 5,682.40
  4. Step 4: Simplify right side
    15,545.47x = 132,503,004.13
  5. Step 5: Solve for x
    x = 132,503,004.13/15,545.47
  6. Step 6: Final answer
    x = 8,523.58

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1.5x scale

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.