Home / 14,718.43-20,306.28-8,344.09

Finding the Fourth Proportional to 14,718.43, 20,306.28 and 8,344.09

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Solution

The fourth proportional to 14,718.43, 20,306.28 and 8,344.09 is: 11,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.43 : 20,306.28 = 8,344.09 : x
  2. Step 2: Convert to fraction form
    14,718.43/20,306.28 = 8,344.09/x
  3. Step 3: Cross multiply
    14,718.43x = 20,306.28 × 8,344.09
  4. Step 4: Simplify right side
    14,718.43x = 169,437,427.89
  5. Step 5: Solve for x
    x = 169,437,427.89/14,718.43
  6. Step 6: Final answer
    x = 11,511.92

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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.