Home / 10,116.70-15,177.28-3,097.26

Finding the Fourth Proportional to 10,116.70, 15,177.28 and 3,097.26

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Solution

The fourth proportional to 10,116.70, 15,177.28 and 3,097.26 is: 4,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.70 : 15,177.28 = 3,097.26 : x
  2. Step 2: Convert to fraction form
    10,116.70/15,177.28 = 3,097.26/x
  3. Step 3: Cross multiply
    10,116.70x = 15,177.28 × 3,097.26
  4. Step 4: Simplify right side
    10,116.70x = 47,007,982.25
  5. Step 5: Solve for x
    x = 47,007,982.25/10,116.70
  6. Step 6: Final answer
    x = 4,646.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.