Home / 10,989.54-15,164.73-6,273.18

Finding the Fourth Proportional to 10,989.54, 15,164.73 and 6,273.18

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Solution

The fourth proportional to 10,989.54, 15,164.73 and 6,273.18 is: 8,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.54 : 15,164.73 = 6,273.18 : x
  2. Step 2: Convert to fraction form
    10,989.54/15,164.73 = 6,273.18/x
  3. Step 3: Cross multiply
    10,989.54x = 15,164.73 × 6,273.18
  4. Step 4: Simplify right side
    10,989.54x = 95,131,080.94
  5. Step 5: Solve for x
    x = 95,131,080.94/10,989.54
  6. Step 6: Final answer
    x = 8,656.51

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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.