Home / 9,942.07-13,719.99-5,465.71

Finding the Fourth Proportional to 9,942.07, 13,719.99 and 5,465.71

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Solution

The fourth proportional to 9,942.07, 13,719.99 and 5,465.71 is: 7,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.07 : 13,719.99 = 5,465.71 : x
  2. Step 2: Convert to fraction form
    9,942.07/13,719.99 = 5,465.71/x
  3. Step 3: Cross multiply
    9,942.07x = 13,719.99 × 5,465.71
  4. Step 4: Simplify right side
    9,942.07x = 74,989,486.54
  5. Step 5: Solve for x
    x = 74,989,486.54/9,942.07
  6. Step 6: Final answer
    x = 7,542.64

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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.