Home / 20,147.32-30,200.10-14,586.94

Finding the Fourth Proportional to 20,147.32, 30,200.10 and 14,586.94

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Solution

The fourth proportional to 20,147.32, 30,200.10 and 14,586.94 is: 21,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.32 : 30,200.10 = 14,586.94 : x
  2. Step 2: Convert to fraction form
    20,147.32/30,200.10 = 14,586.94/x
  3. Step 3: Cross multiply
    20,147.32x = 30,200.10 × 14,586.94
  4. Step 4: Simplify right side
    20,147.32x = 440,527,046.69
  5. Step 5: Solve for x
    x = 440,527,046.69/20,147.32
  6. Step 6: Final answer
    x = 21,865.29

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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.