Home / 14,523.12-21,806.55-8,290.17

Finding the Fourth Proportional to 14,523.12, 21,806.55 and 8,290.17

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Solution

The fourth proportional to 14,523.12, 21,806.55 and 8,290.17 is: 12,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.12 : 21,806.55 = 8,290.17 : x
  2. Step 2: Convert to fraction form
    14,523.12/21,806.55 = 8,290.17/x
  3. Step 3: Cross multiply
    14,523.12x = 21,806.55 × 8,290.17
  4. Step 4: Simplify right side
    14,523.12x = 180,780,006.61
  5. Step 5: Solve for x
    x = 180,780,006.61/14,523.12
  6. Step 6: Final answer
    x = 12,447.74

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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.