Home / 17,939.18-26,912.10-5,460.32

Finding the Fourth Proportional to 17,939.18, 26,912.10 and 5,460.32

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Solution

The fourth proportional to 17,939.18, 26,912.10 and 5,460.32 is: 8,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.18 : 26,912.10 = 5,460.32 : x
  2. Step 2: Convert to fraction form
    17,939.18/26,912.10 = 5,460.32/x
  3. Step 3: Cross multiply
    17,939.18x = 26,912.10 × 5,460.32
  4. Step 4: Simplify right side
    17,939.18x = 146,948,677.87
  5. Step 5: Solve for x
    x = 146,948,677.87/17,939.18
  6. Step 6: Final answer
    x = 8,191.49

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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.