Home / 11,984.27-16,538.13-6,678.77

Finding the Fourth Proportional to 11,984.27, 16,538.13 and 6,678.77

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Solution

The fourth proportional to 11,984.27, 16,538.13 and 6,678.77 is: 9,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.27 : 16,538.13 = 6,678.77 : x
  2. Step 2: Convert to fraction form
    11,984.27/16,538.13 = 6,678.77/x
  3. Step 3: Cross multiply
    11,984.27x = 16,538.13 × 6,678.77
  4. Step 4: Simplify right side
    11,984.27x = 110,454,283.81
  5. Step 5: Solve for x
    x = 110,454,283.81/11,984.27
  6. Step 6: Final answer
    x = 9,216.61

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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.