Home / 17,938.25-26,890.76-7,937.69

Finding the Fourth Proportional to 17,938.25, 26,890.76 and 7,937.69

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Solution

The fourth proportional to 17,938.25, 26,890.76 and 7,937.69 is: 11,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.25 : 26,890.76 = 7,937.69 : x
  2. Step 2: Convert to fraction form
    17,938.25/26,890.76 = 7,937.69/x
  3. Step 3: Cross multiply
    17,938.25x = 26,890.76 × 7,937.69
  4. Step 4: Simplify right side
    17,938.25x = 213,450,496.90
  5. Step 5: Solve for x
    x = 213,450,496.90/17,938.25
  6. Step 6: Final answer
    x = 11,899.19

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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.