Home / 8,677.68-13,014.55-3,993.19

Finding the Fourth Proportional to 8,677.68, 13,014.55 and 3,993.19

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Solution

The fourth proportional to 8,677.68, 13,014.55 and 3,993.19 is: 5,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.68 : 13,014.55 = 3,993.19 : x
  2. Step 2: Convert to fraction form
    8,677.68/13,014.55 = 3,993.19/x
  3. Step 3: Cross multiply
    8,677.68x = 13,014.55 × 3,993.19
  4. Step 4: Simplify right side
    8,677.68x = 51,969,570.91
  5. Step 5: Solve for x
    x = 51,969,570.91/8,677.68
  6. Step 6: Final answer
    x = 5,988.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.