Home / 10,386.14-15,581.28-3,367.94

Finding the Fourth Proportional to 10,386.14, 15,581.28 and 3,367.94

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Solution

The fourth proportional to 10,386.14, 15,581.28 and 3,367.94 is: 5,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.14 : 15,581.28 = 3,367.94 : x
  2. Step 2: Convert to fraction form
    10,386.14/15,581.28 = 3,367.94/x
  3. Step 3: Cross multiply
    10,386.14x = 15,581.28 × 3,367.94
  4. Step 4: Simplify right side
    10,386.14x = 52,476,816.16
  5. Step 5: Solve for x
    x = 52,476,816.16/10,386.14
  6. Step 6: Final answer
    x = 5,052.58

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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.