Home / 20,154.26-30,231.35-5,363.17

Finding the Fourth Proportional to 20,154.26, 30,231.35 and 5,363.17

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Solution

The fourth proportional to 20,154.26, 30,231.35 and 5,363.17 is: 8,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.26 : 30,231.35 = 5,363.17 : x
  2. Step 2: Convert to fraction form
    20,154.26/30,231.35 = 5,363.17/x
  3. Step 3: Cross multiply
    20,154.26x = 30,231.35 × 5,363.17
  4. Step 4: Simplify right side
    20,154.26x = 162,135,869.38
  5. Step 5: Solve for x
    x = 162,135,869.38/20,154.26
  6. Step 6: Final answer
    x = 8,044.74

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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.