Home / 10,839.06-14,965.11-6,654.54

Finding the Fourth Proportional to 10,839.06, 14,965.11 and 6,654.54

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Solution

The fourth proportional to 10,839.06, 14,965.11 and 6,654.54 is: 9,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.06 : 14,965.11 = 6,654.54 : x
  2. Step 2: Convert to fraction form
    10,839.06/14,965.11 = 6,654.54/x
  3. Step 3: Cross multiply
    10,839.06x = 14,965.11 × 6,654.54
  4. Step 4: Simplify right side
    10,839.06x = 99,585,923.10
  5. Step 5: Solve for x
    x = 99,585,923.10/10,839.06
  6. Step 6: Final answer
    x = 9,187.69

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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.