Home / 11,451.11-15,803.19-6,416.96

Finding the Fourth Proportional to 11,451.11, 15,803.19 and 6,416.96

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Solution

The fourth proportional to 11,451.11, 15,803.19 and 6,416.96 is: 8,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.11 : 15,803.19 = 6,416.96 : x
  2. Step 2: Convert to fraction form
    11,451.11/15,803.19 = 6,416.96/x
  3. Step 3: Cross multiply
    11,451.11x = 15,803.19 × 6,416.96
  4. Step 4: Simplify right side
    11,451.11x = 101,408,438.10
  5. Step 5: Solve for x
    x = 101,408,438.10/11,451.11
  6. Step 6: Final answer
    x = 8,855.77

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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.