Home / 18,945.74-28,382.24-10,600.46

Finding the Fourth Proportional to 18,945.74, 28,382.24 and 10,600.46

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Solution

The fourth proportional to 18,945.74, 28,382.24 and 10,600.46 is: 15,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.74 : 28,382.24 = 10,600.46 : x
  2. Step 2: Convert to fraction form
    18,945.74/28,382.24 = 10,600.46/x
  3. Step 3: Cross multiply
    18,945.74x = 28,382.24 × 10,600.46
  4. Step 4: Simplify right side
    18,945.74x = 300,864,799.83
  5. Step 5: Solve for x
    x = 300,864,799.83/18,945.74
  6. Step 6: Final answer
    x = 15,880.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.