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Finding the Fourth Proportional to 14,267.69, 21,404.21 and 4,404.65

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Solution

The fourth proportional to 14,267.69, 21,404.21 and 4,404.65 is: 6,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.69 : 21,404.21 = 4,404.65 : x
  2. Step 2: Convert to fraction form
    14,267.69/21,404.21 = 4,404.65/x
  3. Step 3: Cross multiply
    14,267.69x = 21,404.21 × 4,404.65
  4. Step 4: Simplify right side
    14,267.69x = 94,278,031.55
  5. Step 5: Solve for x
    x = 94,278,031.55/14,267.69
  6. Step 6: Final answer
    x = 6,607.80

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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.