Home / 14,425.62-21,639.42-8,511.15

Finding the Fourth Proportional to 14,425.62, 21,639.42 and 8,511.15

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Solution

The fourth proportional to 14,425.62, 21,639.42 and 8,511.15 is: 12,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.62 : 21,639.42 = 8,511.15 : x
  2. Step 2: Convert to fraction form
    14,425.62/21,639.42 = 8,511.15/x
  3. Step 3: Cross multiply
    14,425.62x = 21,639.42 × 8,511.15
  4. Step 4: Simplify right side
    14,425.62x = 184,176,333.91
  5. Step 5: Solve for x
    x = 184,176,333.91/14,425.62
  6. Step 6: Final answer
    x = 12,767.31

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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.