Home / 11,195.38-16,678.22-10,689.94

Finding the Fourth Proportional to 11,195.38, 16,678.22 and 10,689.94

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Solution

The fourth proportional to 11,195.38, 16,678.22 and 10,689.94 is: 15,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.38 : 16,678.22 = 10,689.94 : x
  2. Step 2: Convert to fraction form
    11,195.38/16,678.22 = 10,689.94/x
  3. Step 3: Cross multiply
    11,195.38x = 16,678.22 × 10,689.94
  4. Step 4: Simplify right side
    11,195.38x = 178,289,171.11
  5. Step 5: Solve for x
    x = 178,289,171.11/11,195.38
  6. Step 6: Final answer
    x = 15,925.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.