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Finding the Fourth Proportional to 17,000.22, 25,515.84 and 8,685.99

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Solution

The fourth proportional to 17,000.22, 25,515.84 and 8,685.99 is: 13,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.22 : 25,515.84 = 8,685.99 : x
  2. Step 2: Convert to fraction form
    17,000.22/25,515.84 = 8,685.99/x
  3. Step 3: Cross multiply
    17,000.22x = 25,515.84 × 8,685.99
  4. Step 4: Simplify right side
    17,000.22x = 221,630,331.08
  5. Step 5: Solve for x
    x = 221,630,331.08/17,000.22
  6. Step 6: Final answer
    x = 13,036.91

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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.