Home / 10,228.03-15,340.30-2,830.75

Finding the Fourth Proportional to 10,228.03, 15,340.30 and 2,830.75

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Solution

The fourth proportional to 10,228.03, 15,340.30 and 2,830.75 is: 4,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.03 : 15,340.30 = 2,830.75 : x
  2. Step 2: Convert to fraction form
    10,228.03/15,340.30 = 2,830.75/x
  3. Step 3: Cross multiply
    10,228.03x = 15,340.30 × 2,830.75
  4. Step 4: Simplify right side
    10,228.03x = 43,424,577.50
  5. Step 5: Solve for x
    x = 43,424,577.50/10,228.03
  6. Step 6: Final answer
    x = 4,245.65

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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.