Home / 11,408.84-17,112.88-4,387.04

Finding the Fourth Proportional to 11,408.84, 17,112.88 and 4,387.04

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Solution

The fourth proportional to 11,408.84, 17,112.88 and 4,387.04 is: 6,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.84 : 17,112.88 = 4,387.04 : x
  2. Step 2: Convert to fraction form
    11,408.84/17,112.88 = 4,387.04/x
  3. Step 3: Cross multiply
    11,408.84x = 17,112.88 × 4,387.04
  4. Step 4: Simplify right side
    11,408.84x = 75,074,889.08
  5. Step 5: Solve for x
    x = 75,074,889.08/11,408.84
  6. Step 6: Final answer
    x = 6,580.41

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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.