Home / 10,282.62-15,423.97-2,887.14

Finding the Fourth Proportional to 10,282.62, 15,423.97 and 2,887.14

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Solution

The fourth proportional to 10,282.62, 15,423.97 and 2,887.14 is: 4,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.62 : 15,423.97 = 2,887.14 : x
  2. Step 2: Convert to fraction form
    10,282.62/15,423.97 = 2,887.14/x
  3. Step 3: Cross multiply
    10,282.62x = 15,423.97 × 2,887.14
  4. Step 4: Simplify right side
    10,282.62x = 44,531,160.75
  5. Step 5: Solve for x
    x = 44,531,160.75/10,282.62
  6. Step 6: Final answer
    x = 4,330.72

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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.