Home / 20,941.83-31,387.17-9,833.68

Finding the Fourth Proportional to 20,941.83, 31,387.17 and 9,833.68

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Solution

The fourth proportional to 20,941.83, 31,387.17 and 9,833.68 is: 14,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.83 : 31,387.17 = 9,833.68 : x
  2. Step 2: Convert to fraction form
    20,941.83/31,387.17 = 9,833.68/x
  3. Step 3: Cross multiply
    20,941.83x = 31,387.17 × 9,833.68
  4. Step 4: Simplify right side
    20,941.83x = 308,651,385.89
  5. Step 5: Solve for x
    x = 308,651,385.89/20,941.83
  6. Step 6: Final answer
    x = 14,738.51

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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.