Home / 8,817.14-12,167.18-5,039.80

Finding the Fourth Proportional to 8,817.14, 12,167.18 and 5,039.80

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Solution

The fourth proportional to 8,817.14, 12,167.18 and 5,039.80 is: 6,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.14 : 12,167.18 = 5,039.80 : x
  2. Step 2: Convert to fraction form
    8,817.14/12,167.18 = 5,039.80/x
  3. Step 3: Cross multiply
    8,817.14x = 12,167.18 × 5,039.80
  4. Step 4: Simplify right side
    8,817.14x = 61,320,153.76
  5. Step 5: Solve for x
    x = 61,320,153.76/8,817.14
  6. Step 6: Final answer
    x = 6,954.66

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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.