Home / 10,982.48-15,180.73-10,110.58

Finding the Fourth Proportional to 10,982.48, 15,180.73 and 10,110.58

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Solution

The fourth proportional to 10,982.48, 15,180.73 and 10,110.58 is: 13,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.48 : 15,180.73 = 10,110.58 : x
  2. Step 2: Convert to fraction form
    10,982.48/15,180.73 = 10,110.58/x
  3. Step 3: Cross multiply
    10,982.48x = 15,180.73 × 10,110.58
  4. Step 4: Simplify right side
    10,982.48x = 153,485,921.90
  5. Step 5: Solve for x
    x = 153,485,921.90/10,982.48
  6. Step 6: Final answer
    x = 13,975.53

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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.