Home / 12,072.74-16,660.28-6,767.54

Finding the Fourth Proportional to 12,072.74, 16,660.28 and 6,767.54

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Solution

The fourth proportional to 12,072.74, 16,660.28 and 6,767.54 is: 9,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.74 : 16,660.28 = 6,767.54 : x
  2. Step 2: Convert to fraction form
    12,072.74/16,660.28 = 6,767.54/x
  3. Step 3: Cross multiply
    12,072.74x = 16,660.28 × 6,767.54
  4. Step 4: Simplify right side
    12,072.74x = 112,749,111.31
  5. Step 5: Solve for x
    x = 112,749,111.31/12,072.74
  6. Step 6: Final answer
    x = 9,339.15

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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.