Home / 17,085.30-25,631.55-5,399.70

Finding the Fourth Proportional to 17,085.30, 25,631.55 and 5,399.70

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Solution

The fourth proportional to 17,085.30, 25,631.55 and 5,399.70 is: 8,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.30 : 25,631.55 = 5,399.70 : x
  2. Step 2: Convert to fraction form
    17,085.30/25,631.55 = 5,399.70/x
  3. Step 3: Cross multiply
    17,085.30x = 25,631.55 × 5,399.70
  4. Step 4: Simplify right side
    17,085.30x = 138,402,680.54
  5. Step 5: Solve for x
    x = 138,402,680.54/17,085.30
  6. Step 6: Final answer
    x = 8,100.69

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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.