Home / 13,644.61-20,462.56-5,322.60

Finding the Fourth Proportional to 13,644.61, 20,462.56 and 5,322.60

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Solution

The fourth proportional to 13,644.61, 20,462.56 and 5,322.60 is: 7,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.61 : 20,462.56 = 5,322.60 : x
  2. Step 2: Convert to fraction form
    13,644.61/20,462.56 = 5,322.60/x
  3. Step 3: Cross multiply
    13,644.61x = 20,462.56 × 5,322.60
  4. Step 4: Simplify right side
    13,644.61x = 108,914,008.55
  5. Step 5: Solve for x
    x = 108,914,008.55/13,644.61
  6. Step 6: Final answer
    x = 7,982.20

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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.