Home / 9,021.15-12,449.03-5,042.43

Finding the Fourth Proportional to 9,021.15, 12,449.03 and 5,042.43

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Solution

The fourth proportional to 9,021.15, 12,449.03 and 5,042.43 is: 6,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.15 : 12,449.03 = 5,042.43 : x
  2. Step 2: Convert to fraction form
    9,021.15/12,449.03 = 5,042.43/x
  3. Step 3: Cross multiply
    9,021.15x = 12,449.03 × 5,042.43
  4. Step 4: Simplify right side
    9,021.15x = 62,773,337.13
  5. Step 5: Solve for x
    x = 62,773,337.13/9,021.15
  6. Step 6: Final answer
    x = 6,958.46

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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.