Home / 17,408.04-26,121.06-8,642.76

Finding the Fourth Proportional to 17,408.04, 26,121.06 and 8,642.76

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Solution

The fourth proportional to 17,408.04, 26,121.06 and 8,642.76 is: 12,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.04 : 26,121.06 = 8,642.76 : x
  2. Step 2: Convert to fraction form
    17,408.04/26,121.06 = 8,642.76/x
  3. Step 3: Cross multiply
    17,408.04x = 26,121.06 × 8,642.76
  4. Step 4: Simplify right side
    17,408.04x = 225,758,052.53
  5. Step 5: Solve for x
    x = 225,758,052.53/17,408.04
  6. Step 6: Final answer
    x = 12,968.61

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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.