Home / 18,182.28-27,270.33-5,031.57

Finding the Fourth Proportional to 18,182.28, 27,270.33 and 5,031.57

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Solution

The fourth proportional to 18,182.28, 27,270.33 and 5,031.57 is: 7,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.28 : 27,270.33 = 5,031.57 : x
  2. Step 2: Convert to fraction form
    18,182.28/27,270.33 = 5,031.57/x
  3. Step 3: Cross multiply
    18,182.28x = 27,270.33 × 5,031.57
  4. Step 4: Simplify right side
    18,182.28x = 137,212,574.32
  5. Step 5: Solve for x
    x = 137,212,574.32/18,182.28
  6. Step 6: Final answer
    x = 7,546.50

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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.