Home / 19,138.32-28,682.28-10,252.62

Finding the Fourth Proportional to 19,138.32, 28,682.28 and 10,252.62

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Solution

The fourth proportional to 19,138.32, 28,682.28 and 10,252.62 is: 15,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.32 : 28,682.28 = 10,252.62 : x
  2. Step 2: Convert to fraction form
    19,138.32/28,682.28 = 10,252.62/x
  3. Step 3: Cross multiply
    19,138.32x = 28,682.28 × 10,252.62
  4. Step 4: Simplify right side
    19,138.32x = 294,068,517.57
  5. Step 5: Solve for x
    x = 294,068,517.57/19,138.32
  6. Step 6: Final answer
    x = 15,365.43

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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.