Home / 10,456.68-15,684.11-3,436.53

Finding the Fourth Proportional to 10,456.68, 15,684.11 and 3,436.53

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Solution

The fourth proportional to 10,456.68, 15,684.11 and 3,436.53 is: 5,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.68 : 15,684.11 = 3,436.53 : x
  2. Step 2: Convert to fraction form
    10,456.68/15,684.11 = 3,436.53/x
  3. Step 3: Cross multiply
    10,456.68x = 15,684.11 × 3,436.53
  4. Step 4: Simplify right side
    10,456.68x = 53,898,914.54
  5. Step 5: Solve for x
    x = 53,898,914.54/10,456.68
  6. Step 6: Final answer
    x = 5,154.50

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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.