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Finding the Fourth Proportional to 22,510.65, 33,736.74 and 9,168.09

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Solution

The fourth proportional to 22,510.65, 33,736.74 and 9,168.09 is: 13,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.65 : 33,736.74 = 9,168.09 : x
  2. Step 2: Convert to fraction form
    22,510.65/33,736.74 = 9,168.09/x
  3. Step 3: Cross multiply
    22,510.65x = 33,736.74 × 9,168.09
  4. Step 4: Simplify right side
    22,510.65x = 309,301,468.63
  5. Step 5: Solve for x
    x = 309,301,468.63/22,510.65
  6. Step 6: Final answer
    x = 13,740.23

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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.