Home / 12,006.66-16,568.91-6,700.62

Finding the Fourth Proportional to 12,006.66, 16,568.91 and 6,700.62

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Solution

The fourth proportional to 12,006.66, 16,568.91 and 6,700.62 is: 9,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.66 : 16,568.91 = 6,700.62 : x
  2. Step 2: Convert to fraction form
    12,006.66/16,568.91 = 6,700.62/x
  3. Step 3: Cross multiply
    12,006.66x = 16,568.91 × 6,700.62
  4. Step 4: Simplify right side
    12,006.66x = 111,021,969.72
  5. Step 5: Solve for x
    x = 111,021,969.72/12,006.66
  6. Step 6: Final answer
    x = 9,246.70

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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.