Home / 17,112.78-25,669.53-5,870.75

Finding the Fourth Proportional to 17,112.78, 25,669.53 and 5,870.75

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Solution

The fourth proportional to 17,112.78, 25,669.53 and 5,870.75 is: 8,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.78 : 25,669.53 = 5,870.75 : x
  2. Step 2: Convert to fraction form
    17,112.78/25,669.53 = 5,870.75/x
  3. Step 3: Cross multiply
    17,112.78x = 25,669.53 × 5,870.75
  4. Step 4: Simplify right side
    17,112.78x = 150,699,264.90
  5. Step 5: Solve for x
    x = 150,699,264.90/17,112.78
  6. Step 6: Final answer
    x = 8,806.24

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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.