Home / 10,360.20-15,531.72-4,116.36

Finding the Fourth Proportional to 10,360.20, 15,531.72 and 4,116.36

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Solution

The fourth proportional to 10,360.20, 15,531.72 and 4,116.36 is: 6,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.20 : 15,531.72 = 4,116.36 : x
  2. Step 2: Convert to fraction form
    10,360.20/15,531.72 = 4,116.36/x
  3. Step 3: Cross multiply
    10,360.20x = 15,531.72 × 4,116.36
  4. Step 4: Simplify right side
    10,360.20x = 63,934,150.94
  5. Step 5: Solve for x
    x = 63,934,150.94/10,360.20
  6. Step 6: Final answer
    x = 6,171.13

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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.