Home / 12,167.03-18,264.22-9,426.75

Finding the Fourth Proportional to 12,167.03, 18,264.22 and 9,426.75

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Solution

The fourth proportional to 12,167.03, 18,264.22 and 9,426.75 is: 14,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.03 : 18,264.22 = 9,426.75 : x
  2. Step 2: Convert to fraction form
    12,167.03/18,264.22 = 9,426.75/x
  3. Step 3: Cross multiply
    12,167.03x = 18,264.22 × 9,426.75
  4. Step 4: Simplify right side
    12,167.03x = 172,172,143.83
  5. Step 5: Solve for x
    x = 172,172,143.83/12,167.03
  6. Step 6: Final answer
    x = 14,150.72

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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.