Home / 18,154.14-27,231.33-5,007.22

Finding the Fourth Proportional to 18,154.14, 27,231.33 and 5,007.22

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Solution

The fourth proportional to 18,154.14, 27,231.33 and 5,007.22 is: 7,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.14 : 27,231.33 = 5,007.22 : x
  2. Step 2: Convert to fraction form
    18,154.14/27,231.33 = 5,007.22/x
  3. Step 3: Cross multiply
    18,154.14x = 27,231.33 × 5,007.22
  4. Step 4: Simplify right side
    18,154.14x = 136,353,260.20
  5. Step 5: Solve for x
    x = 136,353,260.20/18,154.14
  6. Step 6: Final answer
    x = 7,510.86

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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.