Home / 10,949.26-15,104.82-6,470.02

Finding the Fourth Proportional to 10,949.26, 15,104.82 and 6,470.02

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Solution

The fourth proportional to 10,949.26, 15,104.82 and 6,470.02 is: 8,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.26 : 15,104.82 = 6,470.02 : x
  2. Step 2: Convert to fraction form
    10,949.26/15,104.82 = 6,470.02/x
  3. Step 3: Cross multiply
    10,949.26x = 15,104.82 × 6,470.02
  4. Step 4: Simplify right side
    10,949.26x = 97,728,487.50
  5. Step 5: Solve for x
    x = 97,728,487.50/10,949.26
  6. Step 6: Final answer
    x = 8,925.58

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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.