Home / 10,679.77-14,734.83-6,700.78

Finding the Fourth Proportional to 10,679.77, 14,734.83 and 6,700.78

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Solution

The fourth proportional to 10,679.77, 14,734.83 and 6,700.78 is: 9,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.77 : 14,734.83 = 6,700.78 : x
  2. Step 2: Convert to fraction form
    10,679.77/14,734.83 = 6,700.78/x
  3. Step 3: Cross multiply
    10,679.77x = 14,734.83 × 6,700.78
  4. Step 4: Simplify right side
    10,679.77x = 98,734,854.17
  5. Step 5: Solve for x
    x = 98,734,854.17/10,679.77
  6. Step 6: Final answer
    x = 9,245.04

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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.