Home / 10,388.14-15,585.84-4,545.19

Finding the Fourth Proportional to 10,388.14, 15,585.84 and 4,545.19

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Solution

The fourth proportional to 10,388.14, 15,585.84 and 4,545.19 is: 6,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.14 : 15,585.84 = 4,545.19 : x
  2. Step 2: Convert to fraction form
    10,388.14/15,585.84 = 4,545.19/x
  3. Step 3: Cross multiply
    10,388.14x = 15,585.84 × 4,545.19
  4. Step 4: Simplify right side
    10,388.14x = 70,840,604.11
  5. Step 5: Solve for x
    x = 70,840,604.11/10,388.14
  6. Step 6: Final answer
    x = 6,819.37

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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.