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Finding the Fourth Proportional to 17,259.15, 25,855.86 and 8,926.68

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Solution

The fourth proportional to 17,259.15, 25,855.86 and 8,926.68 is: 13,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.15 : 25,855.86 = 8,926.68 : x
  2. Step 2: Convert to fraction form
    17,259.15/25,855.86 = 8,926.68/x
  3. Step 3: Cross multiply
    17,259.15x = 25,855.86 × 8,926.68
  4. Step 4: Simplify right side
    17,259.15x = 230,806,988.34
  5. Step 5: Solve for x
    x = 230,806,988.34/17,259.15
  6. Step 6: Final answer
    x = 13,373.02

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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.