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Finding the Fourth Proportional to 13,334.18, 20,001.20 and 12,522.20

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Solution

The fourth proportional to 13,334.18, 20,001.20 and 12,522.20 is: 18,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.18 : 20,001.20 = 12,522.20 : x
  2. Step 2: Convert to fraction form
    13,334.18/20,001.20 = 12,522.20/x
  3. Step 3: Cross multiply
    13,334.18x = 20,001.20 × 12,522.20
  4. Step 4: Simplify right side
    13,334.18x = 250,458,864.02
  5. Step 5: Solve for x
    x = 250,458,864.02/13,334.18
  6. Step 6: Final answer
    x = 18,783.23

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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.