Home / 14,269.20-21,404.84-4,407.21

Finding the Fourth Proportional to 14,269.20, 21,404.84 and 4,407.21

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Solution

The fourth proportional to 14,269.20, 21,404.84 and 4,407.21 is: 6,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.20 : 21,404.84 = 4,407.21 : x
  2. Step 2: Convert to fraction form
    14,269.20/21,404.84 = 4,407.21/x
  3. Step 3: Cross multiply
    14,269.20x = 21,404.84 × 4,407.21
  4. Step 4: Simplify right side
    14,269.20x = 94,335,602.86
  5. Step 5: Solve for x
    x = 94,335,602.86/14,269.20
  6. Step 6: Final answer
    x = 6,611.13

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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.