Home / 10,581.38-15,872.48-3,186.89

Finding the Fourth Proportional to 10,581.38, 15,872.48 and 3,186.89

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Solution

The fourth proportional to 10,581.38, 15,872.48 and 3,186.89 is: 4,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.38 : 15,872.48 = 3,186.89 : x
  2. Step 2: Convert to fraction form
    10,581.38/15,872.48 = 3,186.89/x
  3. Step 3: Cross multiply
    10,581.38x = 15,872.48 × 3,186.89
  4. Step 4: Simplify right side
    10,581.38x = 50,583,847.79
  5. Step 5: Solve for x
    x = 50,583,847.79/10,581.38
  6. Step 6: Final answer
    x = 4,780.46

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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.