Home / 8,775.15-13,167.28-6,708.43

Finding the Fourth Proportional to 8,775.15, 13,167.28 and 6,708.43

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Solution

The fourth proportional to 8,775.15, 13,167.28 and 6,708.43 is: 10,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.15 : 13,167.28 = 6,708.43 : x
  2. Step 2: Convert to fraction form
    8,775.15/13,167.28 = 6,708.43/x
  3. Step 3: Cross multiply
    8,775.15x = 13,167.28 × 6,708.43
  4. Step 4: Simplify right side
    8,775.15x = 88,331,801.02
  5. Step 5: Solve for x
    x = 88,331,801.02/8,775.15
  6. Step 6: Final answer
    x = 10,066.13

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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.