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Finding the Fourth Proportional to 13,110.96, 18,094.02 and 8,008.65

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Solution

The fourth proportional to 13,110.96, 18,094.02 and 8,008.65 is: 11,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.96 : 18,094.02 = 8,008.65 : x
  2. Step 2: Convert to fraction form
    13,110.96/18,094.02 = 8,008.65/x
  3. Step 3: Cross multiply
    13,110.96x = 18,094.02 × 8,008.65
  4. Step 4: Simplify right side
    13,110.96x = 144,908,673.27
  5. Step 5: Solve for x
    x = 144,908,673.27/13,110.96
  6. Step 6: Final answer
    x = 11,052.48

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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.