Home / 12,029.78-16,600.79-6,725.09

Finding the Fourth Proportional to 12,029.78, 16,600.79 and 6,725.09

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Solution

The fourth proportional to 12,029.78, 16,600.79 and 6,725.09 is: 9,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.78 : 16,600.79 = 6,725.09 : x
  2. Step 2: Convert to fraction form
    12,029.78/16,600.79 = 6,725.09/x
  3. Step 3: Cross multiply
    12,029.78x = 16,600.79 × 6,725.09
  4. Step 4: Simplify right side
    12,029.78x = 111,641,690.19
  5. Step 5: Solve for x
    x = 111,641,690.19/12,029.78
  6. Step 6: Final answer
    x = 9,280.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.