Home / 18,311.97-27,466.05-12,426.66

Finding the Fourth Proportional to 18,311.97, 27,466.05 and 12,426.66

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Solution

The fourth proportional to 18,311.97, 27,466.05 and 12,426.66 is: 18,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.97 : 27,466.05 = 12,426.66 : x
  2. Step 2: Convert to fraction form
    18,311.97/27,466.05 = 12,426.66/x
  3. Step 3: Cross multiply
    18,311.97x = 27,466.05 × 12,426.66
  4. Step 4: Simplify right side
    18,311.97x = 341,311,264.89
  5. Step 5: Solve for x
    x = 341,311,264.89/18,311.97
  6. Step 6: Final answer
    x = 18,638.70

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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.