Home / 15,435.43-23,151.39-4,343.02

Finding the Fourth Proportional to 15,435.43, 23,151.39 and 4,343.02

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Solution

The fourth proportional to 15,435.43, 23,151.39 and 4,343.02 is: 6,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.43 : 23,151.39 = 4,343.02 : x
  2. Step 2: Convert to fraction form
    15,435.43/23,151.39 = 4,343.02/x
  3. Step 3: Cross multiply
    15,435.43x = 23,151.39 × 4,343.02
  4. Step 4: Simplify right side
    15,435.43x = 100,546,949.80
  5. Step 5: Solve for x
    x = 100,546,949.80/15,435.43
  6. Step 6: Final answer
    x = 6,514.04

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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.