Home / 12,267.85-18,404.49-4,476.64

Finding the Fourth Proportional to 12,267.85, 18,404.49 and 4,476.64

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Solution

The fourth proportional to 12,267.85, 18,404.49 and 4,476.64 is: 6,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.85 : 18,404.49 = 4,476.64 : x
  2. Step 2: Convert to fraction form
    12,267.85/18,404.49 = 4,476.64/x
  3. Step 3: Cross multiply
    12,267.85x = 18,404.49 × 4,476.64
  4. Step 4: Simplify right side
    12,267.85x = 82,390,276.11
  5. Step 5: Solve for x
    x = 82,390,276.11/12,267.85
  6. Step 6: Final answer
    x = 6,715.95

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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.