Home / 11,408.04-15,744.66-6,693.84

Finding the Fourth Proportional to 11,408.04, 15,744.66 and 6,693.84

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Solution

The fourth proportional to 11,408.04, 15,744.66 and 6,693.84 is: 9,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.04 : 15,744.66 = 6,693.84 : x
  2. Step 2: Convert to fraction form
    11,408.04/15,744.66 = 6,693.84/x
  3. Step 3: Cross multiply
    11,408.04x = 15,744.66 × 6,693.84
  4. Step 4: Simplify right side
    11,408.04x = 105,392,234.89
  5. Step 5: Solve for x
    x = 105,392,234.89/11,408.04
  6. Step 6: Final answer
    x = 9,238.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.