Home / 20,097.84-30,146.40-8,249.04

Finding the Fourth Proportional to 20,097.84, 30,146.40 and 8,249.04

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Solution

The fourth proportional to 20,097.84, 30,146.40 and 8,249.04 is: 12,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.84 : 30,146.40 = 8,249.04 : x
  2. Step 2: Convert to fraction form
    20,097.84/30,146.40 = 8,249.04/x
  3. Step 3: Cross multiply
    20,097.84x = 30,146.40 × 8,249.04
  4. Step 4: Simplify right side
    20,097.84x = 248,678,859.46
  5. Step 5: Solve for x
    x = 248,678,859.46/20,097.84
  6. Step 6: Final answer
    x = 12,373.41

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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.