Home / 10,850.32-14,965.80-6,660.88

Finding the Fourth Proportional to 10,850.32, 14,965.80 and 6,660.88

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Solution

The fourth proportional to 10,850.32, 14,965.80 and 6,660.88 is: 9,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.32 : 14,965.80 = 6,660.88 : x
  2. Step 2: Convert to fraction form
    10,850.32/14,965.80 = 6,660.88/x
  3. Step 3: Cross multiply
    10,850.32x = 14,965.80 × 6,660.88
  4. Step 4: Simplify right side
    10,850.32x = 99,685,397.90
  5. Step 5: Solve for x
    x = 99,685,397.90/10,850.32
  6. Step 6: Final answer
    x = 9,187.32

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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.