Home / 10,643.76-15,960.33-3,246.48

Finding the Fourth Proportional to 10,643.76, 15,960.33 and 3,246.48

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Solution

The fourth proportional to 10,643.76, 15,960.33 and 3,246.48 is: 4,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.76 : 15,960.33 = 3,246.48 : x
  2. Step 2: Convert to fraction form
    10,643.76/15,960.33 = 3,246.48/x
  3. Step 3: Cross multiply
    10,643.76x = 15,960.33 × 3,246.48
  4. Step 4: Simplify right side
    10,643.76x = 51,814,892.14
  5. Step 5: Solve for x
    x = 51,814,892.14/10,643.76
  6. Step 6: Final answer
    x = 4,868.10

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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.