Home / 18,280.22-25,227.16-11,210.54

Finding the Fourth Proportional to 18,280.22, 25,227.16 and 11,210.54

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Solution

The fourth proportional to 18,280.22, 25,227.16 and 11,210.54 is: 15,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.22 : 25,227.16 = 11,210.54 : x
  2. Step 2: Convert to fraction form
    18,280.22/25,227.16 = 11,210.54/x
  3. Step 3: Cross multiply
    18,280.22x = 25,227.16 × 11,210.54
  4. Step 4: Simplify right side
    18,280.22x = 282,809,932.10
  5. Step 5: Solve for x
    x = 282,809,932.10/18,280.22
  6. Step 6: Final answer
    x = 15,470.82

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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.