Home / 18,182.28-27,260.80-9,280.32

Finding the Fourth Proportional to 18,182.28, 27,260.80 and 9,280.32

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Solution

The fourth proportional to 18,182.28, 27,260.80 and 9,280.32 is: 13,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.28 : 27,260.80 = 9,280.32 : x
  2. Step 2: Convert to fraction form
    18,182.28/27,260.80 = 9,280.32/x
  3. Step 3: Cross multiply
    18,182.28x = 27,260.80 × 9,280.32
  4. Step 4: Simplify right side
    18,182.28x = 252,988,947.46
  5. Step 5: Solve for x
    x = 252,988,947.46/18,182.28
  6. Step 6: Final answer
    x = 13,914.04

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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.