Home / 11,089.31-15,180.75-11,010.20

Finding the Fourth Proportional to 11,089.31, 15,180.75 and 11,010.20

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Solution

The fourth proportional to 11,089.31, 15,180.75 and 11,010.20 is: 15,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.31 : 15,180.75 = 11,010.20 : x
  2. Step 2: Convert to fraction form
    11,089.31/15,180.75 = 11,010.20/x
  3. Step 3: Cross multiply
    11,089.31x = 15,180.75 × 11,010.20
  4. Step 4: Simplify right side
    11,089.31x = 167,143,017.75
  5. Step 5: Solve for x
    x = 167,143,017.75/11,089.31
  6. Step 6: Final answer
    x = 15,072.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.