Home / 15,436.60-23,145.96-13,591.42

Finding the Fourth Proportional to 15,436.60, 23,145.96 and 13,591.42

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Solution

The fourth proportional to 15,436.60, 23,145.96 and 13,591.42 is: 20,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.60 : 23,145.96 = 13,591.42 : x
  2. Step 2: Convert to fraction form
    15,436.60/23,145.96 = 13,591.42/x
  3. Step 3: Cross multiply
    15,436.60x = 23,145.96 × 13,591.42
  4. Step 4: Simplify right side
    15,436.60x = 314,586,463.66
  5. Step 5: Solve for x
    x = 314,586,463.66/15,436.60
  6. Step 6: Final answer
    x = 20,379.26

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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.