Home / 10,226.56-15,340.18-2,830.40

Finding the Fourth Proportional to 10,226.56, 15,340.18 and 2,830.40

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Solution

The fourth proportional to 10,226.56, 15,340.18 and 2,830.40 is: 4,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.56 : 15,340.18 = 2,830.40 : x
  2. Step 2: Convert to fraction form
    10,226.56/15,340.18 = 2,830.40/x
  3. Step 3: Cross multiply
    10,226.56x = 15,340.18 × 2,830.40
  4. Step 4: Simplify right side
    10,226.56x = 43,418,845.47
  5. Step 5: Solve for x
    x = 43,418,845.47/10,226.56
  6. Step 6: Final answer
    x = 4,245.69

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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.