Home / 11,204.76-15,467.78-6,488.12

Finding the Fourth Proportional to 11,204.76, 15,467.78 and 6,488.12

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Solution

The fourth proportional to 11,204.76, 15,467.78 and 6,488.12 is: 8,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.76 : 15,467.78 = 6,488.12 : x
  2. Step 2: Convert to fraction form
    11,204.76/15,467.78 = 6,488.12/x
  3. Step 3: Cross multiply
    11,204.76x = 15,467.78 × 6,488.12
  4. Step 4: Simplify right side
    11,204.76x = 100,356,812.77
  5. Step 5: Solve for x
    x = 100,356,812.77/11,204.76
  6. Step 6: Final answer
    x = 8,956.62

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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.