Home / 16,781.25-23,158.14-9,228.07

Finding the Fourth Proportional to 16,781.25, 23,158.14 and 9,228.07

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Solution

The fourth proportional to 16,781.25, 23,158.14 and 9,228.07 is: 12,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.25 : 23,158.14 = 9,228.07 : x
  2. Step 2: Convert to fraction form
    16,781.25/23,158.14 = 9,228.07/x
  3. Step 3: Cross multiply
    16,781.25x = 23,158.14 × 9,228.07
  4. Step 4: Simplify right side
    16,781.25x = 213,704,936.99
  5. Step 5: Solve for x
    x = 213,704,936.99/16,781.25
  6. Step 6: Final answer
    x = 12,734.74

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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.