Home / 10,436.65-15,655.85-4,195.87

Finding the Fourth Proportional to 10,436.65, 15,655.85 and 4,195.87

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Solution

The fourth proportional to 10,436.65, 15,655.85 and 4,195.87 is: 6,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.65 : 15,655.85 = 4,195.87 : x
  2. Step 2: Convert to fraction form
    10,436.65/15,655.85 = 4,195.87/x
  3. Step 3: Cross multiply
    10,436.65x = 15,655.85 × 4,195.87
  4. Step 4: Simplify right side
    10,436.65x = 65,689,866.96
  5. Step 5: Solve for x
    x = 65,689,866.96/10,436.65
  6. Step 6: Final answer
    x = 6,294.15

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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.