Home / 10,200.22-15,285.97-8,110.95

Finding the Fourth Proportional to 10,200.22, 15,285.97 and 8,110.95

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Solution

The fourth proportional to 10,200.22, 15,285.97 and 8,110.95 is: 12,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.22 : 15,285.97 = 8,110.95 : x
  2. Step 2: Convert to fraction form
    10,200.22/15,285.97 = 8,110.95/x
  3. Step 3: Cross multiply
    10,200.22x = 15,285.97 × 8,110.95
  4. Step 4: Simplify right side
    10,200.22x = 123,983,754.36
  5. Step 5: Solve for x
    x = 123,983,754.36/10,200.22
  6. Step 6: Final answer
    x = 12,155.01

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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.