Home / 9,301.85-13,938.19-7,909.46

Finding the Fourth Proportional to 9,301.85, 13,938.19 and 7,909.46

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Solution

The fourth proportional to 9,301.85, 13,938.19 and 7,909.46 is: 11,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.85 : 13,938.19 = 7,909.46 : x
  2. Step 2: Convert to fraction form
    9,301.85/13,938.19 = 7,909.46/x
  3. Step 3: Cross multiply
    9,301.85x = 13,938.19 × 7,909.46
  4. Step 4: Simplify right side
    9,301.85x = 110,243,519.08
  5. Step 5: Solve for x
    x = 110,243,519.08/9,301.85
  6. Step 6: Final answer
    x = 11,851.79

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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.