Home / 16,781.26-23,158.20-9,228.37

Finding the Fourth Proportional to 16,781.26, 23,158.20 and 9,228.37

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Solution

The fourth proportional to 16,781.26, 23,158.20 and 9,228.37 is: 12,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.26 : 23,158.20 = 9,228.37 : x
  2. Step 2: Convert to fraction form
    16,781.26/23,158.20 = 9,228.37/x
  3. Step 3: Cross multiply
    16,781.26x = 23,158.20 × 9,228.37
  4. Step 4: Simplify right side
    16,781.26x = 213,712,438.13
  5. Step 5: Solve for x
    x = 213,712,438.13/16,781.26
  6. Step 6: Final answer
    x = 12,735.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.