Home / 17,408.94-26,071.62-9,990.96

Finding the Fourth Proportional to 17,408.94, 26,071.62 and 9,990.96

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Solution

The fourth proportional to 17,408.94, 26,071.62 and 9,990.96 is: 14,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.94 : 26,071.62 = 9,990.96 : x
  2. Step 2: Convert to fraction form
    17,408.94/26,071.62 = 9,990.96/x
  3. Step 3: Cross multiply
    17,408.94x = 26,071.62 × 9,990.96
  4. Step 4: Simplify right side
    17,408.94x = 260,480,512.56
  5. Step 5: Solve for x
    x = 260,480,512.56/17,408.94
  6. Step 6: Final answer
    x = 14,962.46

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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.