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Finding the Fourth Proportional to 13,110.10, 18,367.10 and 13,110.10

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Solution

The fourth proportional to 13,110.10, 18,367.10 and 13,110.10 is: 18,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.10 : 18,367.10 = 13,110.10 : x
  2. Step 2: Convert to fraction form
    13,110.10/18,367.10 = 13,110.10/x
  3. Step 3: Cross multiply
    13,110.10x = 18,367.10 × 13,110.10
  4. Step 4: Simplify right side
    13,110.10x = 240,794,517.71
  5. Step 5: Solve for x
    x = 240,794,517.71/13,110.10
  6. Step 6: Final answer
    x = 18,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.