Home / 9,115.18-13,672.59-2,541.20

Finding the Fourth Proportional to 9,115.18, 13,672.59 and 2,541.20

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Solution

The fourth proportional to 9,115.18, 13,672.59 and 2,541.20 is: 3,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.18 : 13,672.59 = 2,541.20 : x
  2. Step 2: Convert to fraction form
    9,115.18/13,672.59 = 2,541.20/x
  3. Step 3: Cross multiply
    9,115.18x = 13,672.59 × 2,541.20
  4. Step 4: Simplify right side
    9,115.18x = 34,744,785.71
  5. Step 5: Solve for x
    x = 34,744,785.71/9,115.18
  6. Step 6: Final answer
    x = 3,811.75

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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.