Home / 14,439.44-21,659.16-9,278.12

Finding the Fourth Proportional to 14,439.44, 21,659.16 and 9,278.12

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Solution

The fourth proportional to 14,439.44, 21,659.16 and 9,278.12 is: 13,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.44 : 21,659.16 = 9,278.12 : x
  2. Step 2: Convert to fraction form
    14,439.44/21,659.16 = 9,278.12/x
  3. Step 3: Cross multiply
    14,439.44x = 21,659.16 × 9,278.12
  4. Step 4: Simplify right side
    14,439.44x = 200,956,285.58
  5. Step 5: Solve for x
    x = 200,956,285.58/14,439.44
  6. Step 6: Final answer
    x = 13,917.18

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Similar ratio
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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.