Home / 10,157.08-15,235.92-3,587.80

Finding the Fourth Proportional to 10,157.08, 15,235.92 and 3,587.80

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Solution

The fourth proportional to 10,157.08, 15,235.92 and 3,587.80 is: 5,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.08 : 15,235.92 = 3,587.80 : x
  2. Step 2: Convert to fraction form
    10,157.08/15,235.92 = 3,587.80/x
  3. Step 3: Cross multiply
    10,157.08x = 15,235.92 × 3,587.80
  4. Step 4: Simplify right side
    10,157.08x = 54,663,433.78
  5. Step 5: Solve for x
    x = 54,663,433.78/10,157.08
  6. Step 6: Final answer
    x = 5,381.81

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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.