Home / 10,982.26-15,153.51-6,506.20

Finding the Fourth Proportional to 10,982.26, 15,153.51 and 6,506.20

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Solution

The fourth proportional to 10,982.26, 15,153.51 and 6,506.20 is: 8,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.26 : 15,153.51 = 6,506.20 : x
  2. Step 2: Convert to fraction form
    10,982.26/15,153.51 = 6,506.20/x
  3. Step 3: Cross multiply
    10,982.26x = 15,153.51 × 6,506.20
  4. Step 4: Simplify right side
    10,982.26x = 98,591,766.76
  5. Step 5: Solve for x
    x = 98,591,766.76/10,982.26
  6. Step 6: Final answer
    x = 8,977.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.