Home / 11,752.88-17,629.76-4,359.20

Finding the Fourth Proportional to 11,752.88, 17,629.76 and 4,359.20

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Solution

The fourth proportional to 11,752.88, 17,629.76 and 4,359.20 is: 6,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.88 : 17,629.76 = 4,359.20 : x
  2. Step 2: Convert to fraction form
    11,752.88/17,629.76 = 4,359.20/x
  3. Step 3: Cross multiply
    11,752.88x = 17,629.76 × 4,359.20
  4. Step 4: Simplify right side
    11,752.88x = 76,851,649.79
  5. Step 5: Solve for x
    x = 76,851,649.79/11,752.88
  6. Step 6: Final answer
    x = 6,538.96

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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.