Home / 11,225.29-16,838.09-5,380.53

Finding the Fourth Proportional to 11,225.29, 16,838.09 and 5,380.53

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Solution

The fourth proportional to 11,225.29, 16,838.09 and 5,380.53 is: 8,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.29 : 16,838.09 = 5,380.53 : x
  2. Step 2: Convert to fraction form
    11,225.29/16,838.09 = 5,380.53/x
  3. Step 3: Cross multiply
    11,225.29x = 16,838.09 × 5,380.53
  4. Step 4: Simplify right side
    11,225.29x = 90,597,848.39
  5. Step 5: Solve for x
    x = 90,597,848.39/11,225.29
  6. Step 6: Final answer
    x = 8,070.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.