Home / 14,701.57-20,286.70-8,326.89

Finding the Fourth Proportional to 14,701.57, 20,286.70 and 8,326.89

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Solution

The fourth proportional to 14,701.57, 20,286.70 and 8,326.89 is: 11,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.57 : 20,286.70 = 8,326.89 : x
  2. Step 2: Convert to fraction form
    14,701.57/20,286.70 = 8,326.89/x
  3. Step 3: Cross multiply
    14,701.57x = 20,286.70 × 8,326.89
  4. Step 4: Simplify right side
    14,701.57x = 168,925,145.38
  5. Step 5: Solve for x
    x = 168,925,145.38/14,701.57
  6. Step 6: Final answer
    x = 11,490.28

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Double scale
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Similar ratio
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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.