Home / 14,443.22-19,930.92-8,068.55

Finding the Fourth Proportional to 14,443.22, 19,930.92 and 8,068.55

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Solution

The fourth proportional to 14,443.22, 19,930.92 and 8,068.55 is: 11,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.22 : 19,930.92 = 8,068.55 : x
  2. Step 2: Convert to fraction form
    14,443.22/19,930.92 = 8,068.55/x
  3. Step 3: Cross multiply
    14,443.22x = 19,930.92 × 8,068.55
  4. Step 4: Simplify right side
    14,443.22x = 160,813,524.91
  5. Step 5: Solve for x
    x = 160,813,524.91/14,443.22
  6. Step 6: Final answer
    x = 11,134.19

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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.