Home / 10,141.20-15,215.85-4,301.91

Finding the Fourth Proportional to 10,141.20, 15,215.85 and 4,301.91

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Solution

The fourth proportional to 10,141.20, 15,215.85 and 4,301.91 is: 6,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.20 : 15,215.85 = 4,301.91 : x
  2. Step 2: Convert to fraction form
    10,141.20/15,215.85 = 4,301.91/x
  3. Step 3: Cross multiply
    10,141.20x = 15,215.85 × 4,301.91
  4. Step 4: Simplify right side
    10,141.20x = 65,457,217.27
  5. Step 5: Solve for x
    x = 65,457,217.27/10,141.20
  6. Step 6: Final answer
    x = 6,454.58

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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.