Home / 15,434.60-23,142.96-13,589.42

Finding the Fourth Proportional to 15,434.60, 23,142.96 and 13,589.42

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Solution

The fourth proportional to 15,434.60, 23,142.96 and 13,589.42 is: 20,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.60 : 23,142.96 = 13,589.42 : x
  2. Step 2: Convert to fraction form
    15,434.60/23,142.96 = 13,589.42/x
  3. Step 3: Cross multiply
    15,434.60x = 23,142.96 × 13,589.42
  4. Step 4: Simplify right side
    15,434.60x = 314,499,403.48
  5. Step 5: Solve for x
    x = 314,499,403.48/15,434.60
  6. Step 6: Final answer
    x = 20,376.26

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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.