Home / 11,781.96-16,259.18-6,476.86

Finding the Fourth Proportional to 11,781.96, 16,259.18 and 6,476.86

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Solution

The fourth proportional to 11,781.96, 16,259.18 and 6,476.86 is: 8,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.96 : 16,259.18 = 6,476.86 : x
  2. Step 2: Convert to fraction form
    11,781.96/16,259.18 = 6,476.86/x
  3. Step 3: Cross multiply
    11,781.96x = 16,259.18 × 6,476.86
  4. Step 4: Simplify right side
    11,781.96x = 105,308,432.57
  5. Step 5: Solve for x
    x = 105,308,432.57/11,781.96
  6. Step 6: Final answer
    x = 8,938.11

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Half scale
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Double scale
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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.