Home / 10,545.52-15,812.29-4,298.21

Finding the Fourth Proportional to 10,545.52, 15,812.29 and 4,298.21

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Solution

The fourth proportional to 10,545.52, 15,812.29 and 4,298.21 is: 6,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.52 : 15,812.29 = 4,298.21 : x
  2. Step 2: Convert to fraction form
    10,545.52/15,812.29 = 4,298.21/x
  3. Step 3: Cross multiply
    10,545.52x = 15,812.29 × 4,298.21
  4. Step 4: Simplify right side
    10,545.52x = 67,964,563.73
  5. Step 5: Solve for x
    x = 67,964,563.73/10,545.52
  6. Step 6: Final answer
    x = 6,444.88

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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.