Home / 17,391.18-26,086.30-4,912.07

Finding the Fourth Proportional to 17,391.18, 26,086.30 and 4,912.07

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Solution

The fourth proportional to 17,391.18, 26,086.30 and 4,912.07 is: 7,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.18 : 26,086.30 = 4,912.07 : x
  2. Step 2: Convert to fraction form
    17,391.18/26,086.30 = 4,912.07/x
  3. Step 3: Cross multiply
    17,391.18x = 26,086.30 × 4,912.07
  4. Step 4: Simplify right side
    17,391.18x = 128,137,731.64
  5. Step 5: Solve for x
    x = 128,137,731.64/17,391.18
  6. Step 6: Final answer
    x = 7,367.97

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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.