Home / 9,942.16-13,720.19-5,465.88

Finding the Fourth Proportional to 9,942.16, 13,720.19 and 5,465.88

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Solution

The fourth proportional to 9,942.16, 13,720.19 and 5,465.88 is: 7,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.16 : 13,720.19 = 5,465.88 : x
  2. Step 2: Convert to fraction form
    9,942.16/13,720.19 = 5,465.88/x
  3. Step 3: Cross multiply
    9,942.16x = 13,720.19 × 5,465.88
  4. Step 4: Simplify right side
    9,942.16x = 74,992,816.19
  5. Step 5: Solve for x
    x = 74,992,816.19/9,942.16
  6. Step 6: Final answer
    x = 7,542.91

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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.