Home / 18,171.17-27,269.34-7,077.95

Finding the Fourth Proportional to 18,171.17, 27,269.34 and 7,077.95

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Solution

The fourth proportional to 18,171.17, 27,269.34 and 7,077.95 is: 10,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.17 : 27,269.34 = 7,077.95 : x
  2. Step 2: Convert to fraction form
    18,171.17/27,269.34 = 7,077.95/x
  3. Step 3: Cross multiply
    18,171.17x = 27,269.34 × 7,077.95
  4. Step 4: Simplify right side
    18,171.17x = 193,010,853.32
  5. Step 5: Solve for x
    x = 193,010,853.32/18,171.17
  6. Step 6: Final answer
    x = 10,621.82

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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.