Home / 21,735.62-29,994.10-13,350.50

Finding the Fourth Proportional to 21,735.62, 29,994.10 and 13,350.50

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Solution

The fourth proportional to 21,735.62, 29,994.10 and 13,350.50 is: 18,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.62 : 29,994.10 = 13,350.50 : x
  2. Step 2: Convert to fraction form
    21,735.62/29,994.10 = 13,350.50/x
  3. Step 3: Cross multiply
    21,735.62x = 29,994.10 × 13,350.50
  4. Step 4: Simplify right side
    21,735.62x = 400,436,232.05
  5. Step 5: Solve for x
    x = 400,436,232.05/21,735.62
  6. Step 6: Final answer
    x = 18,423.04

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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.