Home / 11,781.68-16,259.04-6,476.56

Finding the Fourth Proportional to 11,781.68, 16,259.04 and 6,476.56

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Solution

The fourth proportional to 11,781.68, 16,259.04 and 6,476.56 is: 8,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.68 : 16,259.04 = 6,476.56 : x
  2. Step 2: Convert to fraction form
    11,781.68/16,259.04 = 6,476.56/x
  3. Step 3: Cross multiply
    11,781.68x = 16,259.04 × 6,476.56
  4. Step 4: Simplify right side
    11,781.68x = 105,302,648.10
  5. Step 5: Solve for x
    x = 105,302,648.10/11,781.68
  6. Step 6: Final answer
    x = 8,937.83

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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.