Home / 15,435.60-23,144.46-13,590.42

Finding the Fourth Proportional to 15,435.60, 23,144.46 and 13,590.42

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Solution

The fourth proportional to 15,435.60, 23,144.46 and 13,590.42 is: 20,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.60 : 23,144.46 = 13,590.42 : x
  2. Step 2: Convert to fraction form
    15,435.60/23,144.46 = 13,590.42/x
  3. Step 3: Cross multiply
    15,435.60x = 23,144.46 × 13,590.42
  4. Step 4: Simplify right side
    15,435.60x = 314,542,932.07
  5. Step 5: Solve for x
    x = 314,542,932.07/15,435.60
  6. Step 6: Final answer
    x = 20,377.76

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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.