Home / 9,269.76-13,906.06-3,115.20

Finding the Fourth Proportional to 9,269.76, 13,906.06 and 3,115.20

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Solution

The fourth proportional to 9,269.76, 13,906.06 and 3,115.20 is: 4,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.76 : 13,906.06 = 3,115.20 : x
  2. Step 2: Convert to fraction form
    9,269.76/13,906.06 = 3,115.20/x
  3. Step 3: Cross multiply
    9,269.76x = 13,906.06 × 3,115.20
  4. Step 4: Simplify right side
    9,269.76x = 43,320,158.11
  5. Step 5: Solve for x
    x = 43,320,158.11/9,269.76
  6. Step 6: Final answer
    x = 4,673.28

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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.