Home / 10,219.44-15,358.32-5,028.96

Finding the Fourth Proportional to 10,219.44, 15,358.32 and 5,028.96

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Solution

The fourth proportional to 10,219.44, 15,358.32 and 5,028.96 is: 7,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.44 : 15,358.32 = 5,028.96 : x
  2. Step 2: Convert to fraction form
    10,219.44/15,358.32 = 5,028.96/x
  3. Step 3: Cross multiply
    10,219.44x = 15,358.32 × 5,028.96
  4. Step 4: Simplify right side
    10,219.44x = 77,236,376.95
  5. Step 5: Solve for x
    x = 77,236,376.95/10,219.44
  6. Step 6: Final answer
    x = 7,557.79

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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.