Home / 20,366.45-30,540.02-7,892.31

Finding the Fourth Proportional to 20,366.45, 30,540.02 and 7,892.31

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Solution

The fourth proportional to 20,366.45, 30,540.02 and 7,892.31 is: 11,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.45 : 30,540.02 = 7,892.31 : x
  2. Step 2: Convert to fraction form
    20,366.45/30,540.02 = 7,892.31/x
  3. Step 3: Cross multiply
    20,366.45x = 30,540.02 × 7,892.31
  4. Step 4: Simplify right side
    20,366.45x = 241,031,265.78
  5. Step 5: Solve for x
    x = 241,031,265.78/20,366.45
  6. Step 6: Final answer
    x = 11,834.72

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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.