Home / 10,621.32-15,938.46-6,675

Finding the Fourth Proportional to 10,621.32, 15,938.46 and 6,675

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Solution

The fourth proportional to 10,621.32, 15,938.46 and 6,675 is: 10,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.32 : 15,938.46 = 6,675 : x
  2. Step 2: Convert to fraction form
    10,621.32/15,938.46 = 6,675/x
  3. Step 3: Cross multiply
    10,621.32x = 15,938.46 × 6,675
  4. Step 4: Simplify right side
    10,621.32x = 106,389,220.50
  5. Step 5: Solve for x
    x = 106,389,220.50/10,621.32
  6. Step 6: Final answer
    x = 10,016.57

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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.