Home / 10,193.70-15,288.90-2,796.43

Finding the Fourth Proportional to 10,193.70, 15,288.90 and 2,796.43

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Solution

The fourth proportional to 10,193.70, 15,288.90 and 2,796.43 is: 4,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.70 : 15,288.90 = 2,796.43 : x
  2. Step 2: Convert to fraction form
    10,193.70/15,288.90 = 2,796.43/x
  3. Step 3: Cross multiply
    10,193.70x = 15,288.90 × 2,796.43
  4. Step 4: Simplify right side
    10,193.70x = 42,754,262.18
  5. Step 5: Solve for x
    x = 42,754,262.18/10,193.70
  6. Step 6: Final answer
    x = 4,194.18

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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.