Home / 15,611.98-23,397.30-8,201.28

Finding the Fourth Proportional to 15,611.98, 23,397.30 and 8,201.28

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Solution

The fourth proportional to 15,611.98, 23,397.30 and 8,201.28 is: 12,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.98 : 23,397.30 = 8,201.28 : x
  2. Step 2: Convert to fraction form
    15,611.98/23,397.30 = 8,201.28/x
  3. Step 3: Cross multiply
    15,611.98x = 23,397.30 × 8,201.28
  4. Step 4: Simplify right side
    15,611.98x = 191,887,808.54
  5. Step 5: Solve for x
    x = 191,887,808.54/15,611.98
  6. Step 6: Final answer
    x = 12,291.06

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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.