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Finding the Fourth Proportional to 11,389.01, 17,084.12 and 10,765.71

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Solution

The fourth proportional to 11,389.01, 17,084.12 and 10,765.71 is: 16,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.01 : 17,084.12 = 10,765.71 : x
  2. Step 2: Convert to fraction form
    11,389.01/17,084.12 = 10,765.71/x
  3. Step 3: Cross multiply
    11,389.01x = 17,084.12 × 10,765.71
  4. Step 4: Simplify right side
    11,389.01x = 183,922,627.70
  5. Step 5: Solve for x
    x = 183,922,627.70/11,389.01
  6. Step 6: Final answer
    x = 16,149.14

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1.5x scale

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.