Home / 10,289.65-15,435.78-3,267.15

Finding the Fourth Proportional to 10,289.65, 15,435.78 and 3,267.15

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Solution

The fourth proportional to 10,289.65, 15,435.78 and 3,267.15 is: 4,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.65 : 15,435.78 = 3,267.15 : x
  2. Step 2: Convert to fraction form
    10,289.65/15,435.78 = 3,267.15/x
  3. Step 3: Cross multiply
    10,289.65x = 15,435.78 × 3,267.15
  4. Step 4: Simplify right side
    10,289.65x = 50,431,062.47
  5. Step 5: Solve for x
    x = 50,431,062.47/10,289.65
  6. Step 6: Final answer
    x = 4,901.15

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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.