Home / 9,148.14-13,721.31-2,574.18

Finding the Fourth Proportional to 9,148.14, 13,721.31 and 2,574.18

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Solution

The fourth proportional to 9,148.14, 13,721.31 and 2,574.18 is: 3,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.14 : 13,721.31 = 2,574.18 : x
  2. Step 2: Convert to fraction form
    9,148.14/13,721.31 = 2,574.18/x
  3. Step 3: Cross multiply
    9,148.14x = 13,721.31 × 2,574.18
  4. Step 4: Simplify right side
    9,148.14x = 35,321,121.78
  5. Step 5: Solve for x
    x = 35,321,121.78/9,148.14
  6. Step 6: Final answer
    x = 3,861.02

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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.