Home / 20,149.74-30,224.57-5,358.66

Finding the Fourth Proportional to 20,149.74, 30,224.57 and 5,358.66

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Solution

The fourth proportional to 20,149.74, 30,224.57 and 5,358.66 is: 8,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.74 : 30,224.57 = 5,358.66 : x
  2. Step 2: Convert to fraction form
    20,149.74/30,224.57 = 5,358.66/x
  3. Step 3: Cross multiply
    20,149.74x = 30,224.57 × 5,358.66
  4. Step 4: Simplify right side
    20,149.74x = 161,963,194.28
  5. Step 5: Solve for x
    x = 161,963,194.28/20,149.74
  6. Step 6: Final answer
    x = 8,037.98

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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.