Home / 19,228.32-28,850.31-9,863.64

Finding the Fourth Proportional to 19,228.32, 28,850.31 and 9,863.64

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Solution

The fourth proportional to 19,228.32, 28,850.31 and 9,863.64 is: 14,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.32 : 28,850.31 = 9,863.64 : x
  2. Step 2: Convert to fraction form
    19,228.32/28,850.31 = 9,863.64/x
  3. Step 3: Cross multiply
    19,228.32x = 28,850.31 × 9,863.64
  4. Step 4: Simplify right side
    19,228.32x = 284,569,071.73
  5. Step 5: Solve for x
    x = 284,569,071.73/19,228.32
  6. Step 6: Final answer
    x = 14,799.48

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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.