Home / 9,918.49-13,687.51-5,442.27

Finding the Fourth Proportional to 9,918.49, 13,687.51 and 5,442.27

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Solution

The fourth proportional to 9,918.49, 13,687.51 and 5,442.27 is: 7,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.49 : 13,687.51 = 5,442.27 : x
  2. Step 2: Convert to fraction form
    9,918.49/13,687.51 = 5,442.27/x
  3. Step 3: Cross multiply
    9,918.49x = 13,687.51 × 5,442.27
  4. Step 4: Simplify right side
    9,918.49x = 74,491,125.05
  5. Step 5: Solve for x
    x = 74,491,125.05/9,918.49
  6. Step 6: Final answer
    x = 7,510.33

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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.