Home / 12,891.75-19,333.97-4,569.54

Finding the Fourth Proportional to 12,891.75, 19,333.97 and 4,569.54

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Solution

The fourth proportional to 12,891.75, 19,333.97 and 4,569.54 is: 6,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.75 : 19,333.97 = 4,569.54 : x
  2. Step 2: Convert to fraction form
    12,891.75/19,333.97 = 4,569.54/x
  3. Step 3: Cross multiply
    12,891.75x = 19,333.97 × 4,569.54
  4. Step 4: Simplify right side
    12,891.75x = 88,347,349.27
  5. Step 5: Solve for x
    x = 88,347,349.27/12,891.75
  6. Step 6: Final answer
    x = 6,853.01

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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.