Home / 17,605.89-26,409.38-5,127.30

Finding the Fourth Proportional to 17,605.89, 26,409.38 and 5,127.30

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Solution

The fourth proportional to 17,605.89, 26,409.38 and 5,127.30 is: 7,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.89 : 26,409.38 = 5,127.30 : x
  2. Step 2: Convert to fraction form
    17,605.89/26,409.38 = 5,127.30/x
  3. Step 3: Cross multiply
    17,605.89x = 26,409.38 × 5,127.30
  4. Step 4: Simplify right side
    17,605.89x = 135,408,788.44
  5. Step 5: Solve for x
    x = 135,408,788.44/17,605.89
  6. Step 6: Final answer
    x = 7,691.11

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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.