Home / 17,938.64-26,912.06-5,460.44

Finding the Fourth Proportional to 17,938.64, 26,912.06 and 5,460.44

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Solution

The fourth proportional to 17,938.64, 26,912.06 and 5,460.44 is: 8,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.64 : 26,912.06 = 5,460.44 : x
  2. Step 2: Convert to fraction form
    17,938.64/26,912.06 = 5,460.44/x
  3. Step 3: Cross multiply
    17,938.64x = 26,912.06 × 5,460.44
  4. Step 4: Simplify right side
    17,938.64x = 146,951,527.04
  5. Step 5: Solve for x
    x = 146,951,527.04/17,938.64
  6. Step 6: Final answer
    x = 8,191.90

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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.