Home / 10,551.28-15,816.93-3,976.06

Finding the Fourth Proportional to 10,551.28, 15,816.93 and 3,976.06

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Solution

The fourth proportional to 10,551.28, 15,816.93 and 3,976.06 is: 5,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.28 : 15,816.93 = 3,976.06 : x
  2. Step 2: Convert to fraction form
    10,551.28/15,816.93 = 3,976.06/x
  3. Step 3: Cross multiply
    10,551.28x = 15,816.93 × 3,976.06
  4. Step 4: Simplify right side
    10,551.28x = 62,889,062.70
  5. Step 5: Solve for x
    x = 62,889,062.70/10,551.28
  6. Step 6: Final answer
    x = 5,960.33

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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.