Home / 11,112.01-15,334.61-6,076.29

Finding the Fourth Proportional to 11,112.01, 15,334.61 and 6,076.29

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Solution

The fourth proportional to 11,112.01, 15,334.61 and 6,076.29 is: 8,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.01 : 15,334.61 = 6,076.29 : x
  2. Step 2: Convert to fraction form
    11,112.01/15,334.61 = 6,076.29/x
  3. Step 3: Cross multiply
    11,112.01x = 15,334.61 × 6,076.29
  4. Step 4: Simplify right side
    11,112.01x = 93,177,537.40
  5. Step 5: Solve for x
    x = 93,177,537.40/11,112.01
  6. Step 6: Final answer
    x = 8,385.30

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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.