Home / 9,169.30-13,754.74-2,930.20

Finding the Fourth Proportional to 9,169.30, 13,754.74 and 2,930.20

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Solution

The fourth proportional to 9,169.30, 13,754.74 and 2,930.20 is: 4,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.30 : 13,754.74 = 2,930.20 : x
  2. Step 2: Convert to fraction form
    9,169.30/13,754.74 = 2,930.20/x
  3. Step 3: Cross multiply
    9,169.30x = 13,754.74 × 2,930.20
  4. Step 4: Simplify right side
    9,169.30x = 40,304,139.15
  5. Step 5: Solve for x
    x = 40,304,139.15/9,169.30
  6. Step 6: Final answer
    x = 4,395.55

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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.