Home / 12,801.27-19,204.52-7,257.09

Finding the Fourth Proportional to 12,801.27, 19,204.52 and 7,257.09

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Solution

The fourth proportional to 12,801.27, 19,204.52 and 7,257.09 is: 10,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.27 : 19,204.52 = 7,257.09 : x
  2. Step 2: Convert to fraction form
    12,801.27/19,204.52 = 7,257.09/x
  3. Step 3: Cross multiply
    12,801.27x = 19,204.52 × 7,257.09
  4. Step 4: Simplify right side
    12,801.27x = 139,368,930.05
  5. Step 5: Solve for x
    x = 139,368,930.05/12,801.27
  6. Step 6: Final answer
    x = 10,887.12

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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.