Home / 20,225.55-30,344.24-10,371.70

Finding the Fourth Proportional to 20,225.55, 30,344.24 and 10,371.70

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Solution

The fourth proportional to 20,225.55, 30,344.24 and 10,371.70 is: 15,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.55 : 30,344.24 = 10,371.70 : x
  2. Step 2: Convert to fraction form
    20,225.55/30,344.24 = 10,371.70/x
  3. Step 3: Cross multiply
    20,225.55x = 30,344.24 × 10,371.70
  4. Step 4: Simplify right side
    20,225.55x = 314,721,354.01
  5. Step 5: Solve for x
    x = 314,721,354.01/20,225.55
  6. Step 6: Final answer
    x = 15,560.58

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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.