Home / 9,918.04-13,687.76-5,442.66

Finding the Fourth Proportional to 9,918.04, 13,687.76 and 5,442.66

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Solution

The fourth proportional to 9,918.04, 13,687.76 and 5,442.66 is: 7,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.04 : 13,687.76 = 5,442.66 : x
  2. Step 2: Convert to fraction form
    9,918.04/13,687.76 = 5,442.66/x
  3. Step 3: Cross multiply
    9,918.04x = 13,687.76 × 5,442.66
  4. Step 4: Simplify right side
    9,918.04x = 74,497,823.84
  5. Step 5: Solve for x
    x = 74,497,823.84/9,918.04
  6. Step 6: Final answer
    x = 7,511.35

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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.