Home / 11,279.84-16,902.32-5,038.88

Finding the Fourth Proportional to 11,279.84, 16,902.32 and 5,038.88

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Solution

The fourth proportional to 11,279.84, 16,902.32 and 5,038.88 is: 7,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.84 : 16,902.32 = 5,038.88 : x
  2. Step 2: Convert to fraction form
    11,279.84/16,902.32 = 5,038.88/x
  3. Step 3: Cross multiply
    11,279.84x = 16,902.32 × 5,038.88
  4. Step 4: Simplify right side
    11,279.84x = 85,168,762.20
  5. Step 5: Solve for x
    x = 85,168,762.20/11,279.84
  6. Step 6: Final answer
    x = 7,550.53

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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.