Home / 12,854.31-19,277.33-4,087.17

Finding the Fourth Proportional to 12,854.31, 19,277.33 and 4,087.17

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Solution

The fourth proportional to 12,854.31, 19,277.33 and 4,087.17 is: 6,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.31 : 19,277.33 = 4,087.17 : x
  2. Step 2: Convert to fraction form
    12,854.31/19,277.33 = 4,087.17/x
  3. Step 3: Cross multiply
    12,854.31x = 19,277.33 × 4,087.17
  4. Step 4: Simplify right side
    12,854.31x = 78,789,724.86
  5. Step 5: Solve for x
    x = 78,789,724.86/12,854.31
  6. Step 6: Final answer
    x = 6,129.44

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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.