Home / 9,941.80-13,719.10-5,465.55

Finding the Fourth Proportional to 9,941.80, 13,719.10 and 5,465.55

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Solution

The fourth proportional to 9,941.80, 13,719.10 and 5,465.55 is: 7,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.80 : 13,719.10 = 5,465.55 : x
  2. Step 2: Convert to fraction form
    9,941.80/13,719.10 = 5,465.55/x
  3. Step 3: Cross multiply
    9,941.80x = 13,719.10 × 5,465.55
  4. Step 4: Simplify right side
    9,941.80x = 74,982,440.67
  5. Step 5: Solve for x
    x = 74,982,440.67/9,941.80
  6. Step 6: Final answer
    x = 7,542.14

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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.