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Finding the Fourth Proportional to 17,070.69, 25,606.85 and 8,295.15

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Solution

The fourth proportional to 17,070.69, 25,606.85 and 8,295.15 is: 12,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.69 : 25,606.85 = 8,295.15 : x
  2. Step 2: Convert to fraction form
    17,070.69/25,606.85 = 8,295.15/x
  3. Step 3: Cross multiply
    17,070.69x = 25,606.85 × 8,295.15
  4. Step 4: Simplify right side
    17,070.69x = 212,412,620.30
  5. Step 5: Solve for x
    x = 212,412,620.30/17,070.69
  6. Step 6: Final answer
    x = 12,443.12

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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.