Home / 9,178.02-12,660.03-8,001.90

Finding the Fourth Proportional to 9,178.02, 12,660.03 and 8,001.90

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Solution

The fourth proportional to 9,178.02, 12,660.03 and 8,001.90 is: 11,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.02 : 12,660.03 = 8,001.90 : x
  2. Step 2: Convert to fraction form
    9,178.02/12,660.03 = 8,001.90/x
  3. Step 3: Cross multiply
    9,178.02x = 12,660.03 × 8,001.90
  4. Step 4: Simplify right side
    9,178.02x = 101,304,294.06
  5. Step 5: Solve for x
    x = 101,304,294.06/9,178.02
  6. Step 6: Final answer
    x = 11,037.71

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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.