Home / 15,611.67-21,553.02-10,321.83

Finding the Fourth Proportional to 15,611.67, 21,553.02 and 10,321.83

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Solution

The fourth proportional to 15,611.67, 21,553.02 and 10,321.83 is: 14,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.67 : 21,553.02 = 10,321.83 : x
  2. Step 2: Convert to fraction form
    15,611.67/21,553.02 = 10,321.83/x
  3. Step 3: Cross multiply
    15,611.67x = 21,553.02 × 10,321.83
  4. Step 4: Simplify right side
    15,611.67x = 222,466,608.43
  5. Step 5: Solve for x
    x = 222,466,608.43/15,611.67
  6. Step 6: Final answer
    x = 14,250.02

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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.