Home / 10,300.30-15,450.45-3,724.95

Finding the Fourth Proportional to 10,300.30, 15,450.45 and 3,724.95

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Solution

The fourth proportional to 10,300.30, 15,450.45 and 3,724.95 is: 5,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.30 : 15,450.45 = 3,724.95 : x
  2. Step 2: Convert to fraction form
    10,300.30/15,450.45 = 3,724.95/x
  3. Step 3: Cross multiply
    10,300.30x = 15,450.45 × 3,724.95
  4. Step 4: Simplify right side
    10,300.30x = 57,552,067.33
  5. Step 5: Solve for x
    x = 57,552,067.33/10,300.30
  6. Step 6: Final answer
    x = 5,587.42

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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.