Home / 10,145.23-15,217.86-3,569.92

Finding the Fourth Proportional to 10,145.23, 15,217.86 and 3,569.92

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Solution

The fourth proportional to 10,145.23, 15,217.86 and 3,569.92 is: 5,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.23 : 15,217.86 = 3,569.92 : x
  2. Step 2: Convert to fraction form
    10,145.23/15,217.86 = 3,569.92/x
  3. Step 3: Cross multiply
    10,145.23x = 15,217.86 × 3,569.92
  4. Step 4: Simplify right side
    10,145.23x = 54,326,466.68
  5. Step 5: Solve for x
    x = 54,326,466.68/10,145.23
  6. Step 6: Final answer
    x = 5,354.88

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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.