Home / 8,766.16-13,139.49-6,679.28

Finding the Fourth Proportional to 8,766.16, 13,139.49 and 6,679.28

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Solution

The fourth proportional to 8,766.16, 13,139.49 and 6,679.28 is: 10,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.16 : 13,139.49 = 6,679.28 : x
  2. Step 2: Convert to fraction form
    8,766.16/13,139.49 = 6,679.28/x
  3. Step 3: Cross multiply
    8,766.16x = 13,139.49 × 6,679.28
  4. Step 4: Simplify right side
    8,766.16x = 87,762,332.77
  5. Step 5: Solve for x
    x = 87,762,332.77/8,766.16
  6. Step 6: Final answer
    x = 10,011.50

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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.