Home / 11,177.83-16,768.23-3,678.91

Finding the Fourth Proportional to 11,177.83, 16,768.23 and 3,678.91

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Solution

The fourth proportional to 11,177.83, 16,768.23 and 3,678.91 is: 5,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.83 : 16,768.23 = 3,678.91 : x
  2. Step 2: Convert to fraction form
    11,177.83/16,768.23 = 3,678.91/x
  3. Step 3: Cross multiply
    11,177.83x = 16,768.23 × 3,678.91
  4. Step 4: Simplify right side
    11,177.83x = 61,688,809.03
  5. Step 5: Solve for x
    x = 61,688,809.03/11,177.83
  6. Step 6: Final answer
    x = 5,518.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.