Home / 10,079.26-15,199.52-9,940.75

Finding the Fourth Proportional to 10,079.26, 15,199.52 and 9,940.75

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Solution

The fourth proportional to 10,079.26, 15,199.52 and 9,940.75 is: 14,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.26 : 15,199.52 = 9,940.75 : x
  2. Step 2: Convert to fraction form
    10,079.26/15,199.52 = 9,940.75/x
  3. Step 3: Cross multiply
    10,079.26x = 15,199.52 × 9,940.75
  4. Step 4: Simplify right side
    10,079.26x = 151,094,628.44
  5. Step 5: Solve for x
    x = 151,094,628.44/10,079.26
  6. Step 6: Final answer
    x = 14,990.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.