Home / 13,722.30-20,592.11-7,153.10

Finding the Fourth Proportional to 13,722.30, 20,592.11 and 7,153.10

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Solution

The fourth proportional to 13,722.30, 20,592.11 and 7,153.10 is: 10,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.30 : 20,592.11 = 7,153.10 : x
  2. Step 2: Convert to fraction form
    13,722.30/20,592.11 = 7,153.10/x
  3. Step 3: Cross multiply
    13,722.30x = 20,592.11 × 7,153.10
  4. Step 4: Simplify right side
    13,722.30x = 147,297,422.04
  5. Step 5: Solve for x
    x = 147,297,422.04/13,722.30
  6. Step 6: Final answer
    x = 10,734.16

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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.