Home / 17,177.80-25,755.60-7,314.40

Finding the Fourth Proportional to 17,177.80, 25,755.60 and 7,314.40

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Solution

The fourth proportional to 17,177.80, 25,755.60 and 7,314.40 is: 10,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.80 : 25,755.60 = 7,314.40 : x
  2. Step 2: Convert to fraction form
    17,177.80/25,755.60 = 7,314.40/x
  3. Step 3: Cross multiply
    17,177.80x = 25,755.60 × 7,314.40
  4. Step 4: Simplify right side
    17,177.80x = 188,386,760.64
  5. Step 5: Solve for x
    x = 188,386,760.64/17,177.80
  6. Step 6: Final answer
    x = 10,966.87

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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.