Home / 18,538.54-25,573.65-12,568.18

Finding the Fourth Proportional to 18,538.54, 25,573.65 and 12,568.18

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Solution

The fourth proportional to 18,538.54, 25,573.65 and 12,568.18 is: 17,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.54 : 25,573.65 = 12,568.18 : x
  2. Step 2: Convert to fraction form
    18,538.54/25,573.65 = 12,568.18/x
  3. Step 3: Cross multiply
    18,538.54x = 25,573.65 × 12,568.18
  4. Step 4: Simplify right side
    18,538.54x = 321,414,236.46
  5. Step 5: Solve for x
    x = 321,414,236.46/18,538.54
  6. Step 6: Final answer
    x = 17,337.62

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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.