Home / 17,077.66-25,616.47-5,390.88

Finding the Fourth Proportional to 17,077.66, 25,616.47 and 5,390.88

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Solution

The fourth proportional to 17,077.66, 25,616.47 and 5,390.88 is: 8,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.66 : 25,616.47 = 5,390.88 : x
  2. Step 2: Convert to fraction form
    17,077.66/25,616.47 = 5,390.88/x
  3. Step 3: Cross multiply
    17,077.66x = 25,616.47 × 5,390.88
  4. Step 4: Simplify right side
    17,077.66x = 138,095,160.76
  5. Step 5: Solve for x
    x = 138,095,160.76/17,077.66
  6. Step 6: Final answer
    x = 8,086.31

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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.