Home / 10,821.34-14,934.20-6,042.22

Finding the Fourth Proportional to 10,821.34, 14,934.20 and 6,042.22

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Solution

The fourth proportional to 10,821.34, 14,934.20 and 6,042.22 is: 8,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.34 : 14,934.20 = 6,042.22 : x
  2. Step 2: Convert to fraction form
    10,821.34/14,934.20 = 6,042.22/x
  3. Step 3: Cross multiply
    10,821.34x = 14,934.20 × 6,042.22
  4. Step 4: Simplify right side
    10,821.34x = 90,235,654.38
  5. Step 5: Solve for x
    x = 90,235,654.38/10,821.34
  6. Step 6: Final answer
    x = 8,338.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.