Home / 16,686.90-23,026.92-9,131.73

Finding the Fourth Proportional to 16,686.90, 23,026.92 and 9,131.73

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Solution

The fourth proportional to 16,686.90, 23,026.92 and 9,131.73 is: 12,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.90 : 23,026.92 = 9,131.73 : x
  2. Step 2: Convert to fraction form
    16,686.90/23,026.92 = 9,131.73/x
  3. Step 3: Cross multiply
    16,686.90x = 23,026.92 × 9,131.73
  4. Step 4: Simplify right side
    16,686.90x = 210,275,616.17
  5. Step 5: Solve for x
    x = 210,275,616.17/16,686.90
  6. Step 6: Final answer
    x = 12,601.24

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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.