Home / 11,971.02-17,959.53-7,044.78

Finding the Fourth Proportional to 11,971.02, 17,959.53 and 7,044.78

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Solution

The fourth proportional to 11,971.02, 17,959.53 and 7,044.78 is: 10,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.02 : 17,959.53 = 7,044.78 : x
  2. Step 2: Convert to fraction form
    11,971.02/17,959.53 = 7,044.78/x
  3. Step 3: Cross multiply
    11,971.02x = 17,959.53 × 7,044.78
  4. Step 4: Simplify right side
    11,971.02x = 126,520,937.75
  5. Step 5: Solve for x
    x = 126,520,937.75/11,971.02
  6. Step 6: Final answer
    x = 10,568.94

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1.5x scale

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.