Home / 13,589.39-20,373.12-5,265.16

Finding the Fourth Proportional to 13,589.39, 20,373.12 and 5,265.16

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Solution

The fourth proportional to 13,589.39, 20,373.12 and 5,265.16 is: 7,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.39 : 20,373.12 = 5,265.16 : x
  2. Step 2: Convert to fraction form
    13,589.39/20,373.12 = 5,265.16/x
  3. Step 3: Cross multiply
    13,589.39x = 20,373.12 × 5,265.16
  4. Step 4: Simplify right side
    13,589.39x = 107,267,685.57
  5. Step 5: Solve for x
    x = 107,267,685.57/13,589.39
  6. Step 6: Final answer
    x = 7,893.49

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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.