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Finding the Fourth Proportional to 23,988.84, 35,988.12 and 9,198.24

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Solution

The fourth proportional to 23,988.84, 35,988.12 and 9,198.24 is: 13,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.84 : 35,988.12 = 9,198.24 : x
  2. Step 2: Convert to fraction form
    23,988.84/35,988.12 = 9,198.24/x
  3. Step 3: Cross multiply
    23,988.84x = 35,988.12 × 9,198.24
  4. Step 4: Simplify right side
    23,988.84x = 331,027,364.91
  5. Step 5: Solve for x
    x = 331,027,364.91/23,988.84
  6. Step 6: Final answer
    x = 13,799.22

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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.