Home / 19,268.43-28,902.50-9,911.06

Finding the Fourth Proportional to 19,268.43, 28,902.50 and 9,911.06

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Solution

The fourth proportional to 19,268.43, 28,902.50 and 9,911.06 is: 14,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.43 : 28,902.50 = 9,911.06 : x
  2. Step 2: Convert to fraction form
    19,268.43/28,902.50 = 9,911.06/x
  3. Step 3: Cross multiply
    19,268.43x = 28,902.50 × 9,911.06
  4. Step 4: Simplify right side
    19,268.43x = 286,454,217.58
  5. Step 5: Solve for x
    x = 286,454,217.58/19,268.43
  6. Step 6: Final answer
    x = 14,866.51

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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.