Home / 18,230.81-27,335.28-7,124.27

Finding the Fourth Proportional to 18,230.81, 27,335.28 and 7,124.27

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Solution

The fourth proportional to 18,230.81, 27,335.28 and 7,124.27 is: 10,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.81 : 27,335.28 = 7,124.27 : x
  2. Step 2: Convert to fraction form
    18,230.81/27,335.28 = 7,124.27/x
  3. Step 3: Cross multiply
    18,230.81x = 27,335.28 × 7,124.27
  4. Step 4: Simplify right side
    18,230.81x = 194,743,778.57
  5. Step 5: Solve for x
    x = 194,743,778.57/18,230.81
  6. Step 6: Final answer
    x = 10,682.12

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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.