Home / 17,154.19-25,728.18-5,143.87

Finding the Fourth Proportional to 17,154.19, 25,728.18 and 5,143.87

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Solution

The fourth proportional to 17,154.19, 25,728.18 and 5,143.87 is: 7,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.19 : 25,728.18 = 5,143.87 : x
  2. Step 2: Convert to fraction form
    17,154.19/25,728.18 = 5,143.87/x
  3. Step 3: Cross multiply
    17,154.19x = 25,728.18 × 5,143.87
  4. Step 4: Simplify right side
    17,154.19x = 132,342,413.26
  5. Step 5: Solve for x
    x = 132,342,413.26/17,154.19
  6. Step 6: Final answer
    x = 7,714.87

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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.