Home / 11,334.02-15,648.48-7,091.48

Finding the Fourth Proportional to 11,334.02, 15,648.48 and 7,091.48

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Solution

The fourth proportional to 11,334.02, 15,648.48 and 7,091.48 is: 9,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.02 : 15,648.48 = 7,091.48 : x
  2. Step 2: Convert to fraction form
    11,334.02/15,648.48 = 7,091.48/x
  3. Step 3: Cross multiply
    11,334.02x = 15,648.48 × 7,091.48
  4. Step 4: Simplify right side
    11,334.02x = 110,970,882.95
  5. Step 5: Solve for x
    x = 110,970,882.95/11,334.02
  6. Step 6: Final answer
    x = 9,790.96

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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.