Home / 10,193.32-15,291.50-3,618.95

Finding the Fourth Proportional to 10,193.32, 15,291.50 and 3,618.95

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Solution

The fourth proportional to 10,193.32, 15,291.50 and 3,618.95 is: 5,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.32 : 15,291.50 = 3,618.95 : x
  2. Step 2: Convert to fraction form
    10,193.32/15,291.50 = 3,618.95/x
  3. Step 3: Cross multiply
    10,193.32x = 15,291.50 × 3,618.95
  4. Step 4: Simplify right side
    10,193.32x = 55,339,173.93
  5. Step 5: Solve for x
    x = 55,339,173.93/10,193.32
  6. Step 6: Final answer
    x = 5,428.96

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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.