Home / 11,654.07-16,082.72-6,874.12

Finding the Fourth Proportional to 11,654.07, 16,082.72 and 6,874.12

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Solution

The fourth proportional to 11,654.07, 16,082.72 and 6,874.12 is: 9,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.07 : 16,082.72 = 6,874.12 : x
  2. Step 2: Convert to fraction form
    11,654.07/16,082.72 = 6,874.12/x
  3. Step 3: Cross multiply
    11,654.07x = 16,082.72 × 6,874.12
  4. Step 4: Simplify right side
    11,654.07x = 110,554,547.21
  5. Step 5: Solve for x
    x = 110,554,547.21/11,654.07
  6. Step 6: Final answer
    x = 9,486.35

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Half scale
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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.