Home / 8,868.12-13,302.16-6,921.96

Finding the Fourth Proportional to 8,868.12, 13,302.16 and 6,921.96

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Solution

The fourth proportional to 8,868.12, 13,302.16 and 6,921.96 is: 10,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.12 : 13,302.16 = 6,921.96 : x
  2. Step 2: Convert to fraction form
    8,868.12/13,302.16 = 6,921.96/x
  3. Step 3: Cross multiply
    8,868.12x = 13,302.16 × 6,921.96
  4. Step 4: Simplify right side
    8,868.12x = 92,077,019.43
  5. Step 5: Solve for x
    x = 92,077,019.43/8,868.12
  6. Step 6: Final answer
    x = 10,382.92

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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.