Home / 12,228.05-18,339.84-4,834.77

Finding the Fourth Proportional to 12,228.05, 18,339.84 and 4,834.77

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Solution

The fourth proportional to 12,228.05, 18,339.84 and 4,834.77 is: 7,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.05 : 18,339.84 = 4,834.77 : x
  2. Step 2: Convert to fraction form
    12,228.05/18,339.84 = 4,834.77/x
  3. Step 3: Cross multiply
    12,228.05x = 18,339.84 × 4,834.77
  4. Step 4: Simplify right side
    12,228.05x = 88,668,908.24
  5. Step 5: Solve for x
    x = 88,668,908.24/12,228.05
  6. Step 6: Final answer
    x = 7,251.27

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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.