Home / 17,938.87-26,912.40-9,031.97

Finding the Fourth Proportional to 17,938.87, 26,912.40 and 9,031.97

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Solution

The fourth proportional to 17,938.87, 26,912.40 and 9,031.97 is: 13,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.87 : 26,912.40 = 9,031.97 : x
  2. Step 2: Convert to fraction form
    17,938.87/26,912.40 = 9,031.97/x
  3. Step 3: Cross multiply
    17,938.87x = 26,912.40 × 9,031.97
  4. Step 4: Simplify right side
    17,938.87x = 243,071,960.11
  5. Step 5: Solve for x
    x = 243,071,960.11/17,938.87
  6. Step 6: Final answer
    x = 13,550.02

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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.