Home / 16,259.90-22,439.09-9,186.17

Finding the Fourth Proportional to 16,259.90, 22,439.09 and 9,186.17

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Solution

The fourth proportional to 16,259.90, 22,439.09 and 9,186.17 is: 12,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.90 : 22,439.09 = 9,186.17 : x
  2. Step 2: Convert to fraction form
    16,259.90/22,439.09 = 9,186.17/x
  3. Step 3: Cross multiply
    16,259.90x = 22,439.09 × 9,186.17
  4. Step 4: Simplify right side
    16,259.90x = 206,129,206.16
  5. Step 5: Solve for x
    x = 206,129,206.16/16,259.90
  6. Step 6: Final answer
    x = 12,677.15

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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.