Home / 15,332.88-23,015.40-13,589.04

Finding the Fourth Proportional to 15,332.88, 23,015.40 and 13,589.04

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Solution

The fourth proportional to 15,332.88, 23,015.40 and 13,589.04 is: 20,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.88 : 23,015.40 = 13,589.04 : x
  2. Step 2: Convert to fraction form
    15,332.88/23,015.40 = 13,589.04/x
  3. Step 3: Cross multiply
    15,332.88x = 23,015.40 × 13,589.04
  4. Step 4: Simplify right side
    15,332.88x = 312,757,191.22
  5. Step 5: Solve for x
    x = 312,757,191.22/15,332.88
  6. Step 6: Final answer
    x = 20,397.81

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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.