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Finding the Fourth Proportional to 11,000.81, 15,179.03 and 6,522.93

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Solution

The fourth proportional to 11,000.81, 15,179.03 and 6,522.93 is: 9,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.81 : 15,179.03 = 6,522.93 : x
  2. Step 2: Convert to fraction form
    11,000.81/15,179.03 = 6,522.93/x
  3. Step 3: Cross multiply
    11,000.81x = 15,179.03 × 6,522.93
  4. Step 4: Simplify right side
    11,000.81x = 99,011,742.00
  5. Step 5: Solve for x
    x = 99,011,742.00/11,000.81
  6. Step 6: Final answer
    x = 9,000.40

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Double scale
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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.