Home / 11,204.04-15,463.62-6,488.76

Finding the Fourth Proportional to 11,204.04, 15,463.62 and 6,488.76

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Solution

The fourth proportional to 11,204.04, 15,463.62 and 6,488.76 is: 8,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.04 : 15,463.62 = 6,488.76 : x
  2. Step 2: Convert to fraction form
    11,204.04/15,463.62 = 6,488.76/x
  3. Step 3: Cross multiply
    11,204.04x = 15,463.62 × 6,488.76
  4. Step 4: Simplify right side
    11,204.04x = 100,339,718.91
  5. Step 5: Solve for x
    x = 100,339,718.91/11,204.04
  6. Step 6: Final answer
    x = 8,955.67

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Half scale
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Double scale
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Similar ratio
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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.