Home / 10,545.38-15,827.68-5,619.18

Finding the Fourth Proportional to 10,545.38, 15,827.68 and 5,619.18

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Solution

The fourth proportional to 10,545.38, 15,827.68 and 5,619.18 is: 8,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.38 : 15,827.68 = 5,619.18 : x
  2. Step 2: Convert to fraction form
    10,545.38/15,827.68 = 5,619.18/x
  3. Step 3: Cross multiply
    10,545.38x = 15,827.68 × 5,619.18
  4. Step 4: Simplify right side
    10,545.38x = 88,938,582.90
  5. Step 5: Solve for x
    x = 88,938,582.90/10,545.38
  6. Step 6: Final answer
    x = 8,433.89

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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.