Home / 11,228.48-16,835.19-5,381.90

Finding the Fourth Proportional to 11,228.48, 16,835.19 and 5,381.90

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Solution

The fourth proportional to 11,228.48, 16,835.19 and 5,381.90 is: 8,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.48 : 16,835.19 = 5,381.90 : x
  2. Step 2: Convert to fraction form
    11,228.48/16,835.19 = 5,381.90/x
  3. Step 3: Cross multiply
    11,228.48x = 16,835.19 × 5,381.90
  4. Step 4: Simplify right side
    11,228.48x = 90,605,309.06
  5. Step 5: Solve for x
    x = 90,605,309.06/11,228.48
  6. Step 6: Final answer
    x = 8,069.24

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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.