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Finding the Fourth Proportional to 17,902.88, 26,857.05 and 9,133.01

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Solution

The fourth proportional to 17,902.88, 26,857.05 and 9,133.01 is: 13,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.88 : 26,857.05 = 9,133.01 : x
  2. Step 2: Convert to fraction form
    17,902.88/26,857.05 = 9,133.01/x
  3. Step 3: Cross multiply
    17,902.88x = 26,857.05 × 9,133.01
  4. Step 4: Simplify right side
    17,902.88x = 245,285,706.22
  5. Step 5: Solve for x
    x = 245,285,706.22/17,902.88
  6. Step 6: Final answer
    x = 13,700.91

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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.