Home / 19,996.05-29,994.90-6,857.46

Finding the Fourth Proportional to 19,996.05, 29,994.90 and 6,857.46

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Solution

The fourth proportional to 19,996.05, 29,994.90 and 6,857.46 is: 10,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.05 : 29,994.90 = 6,857.46 : x
  2. Step 2: Convert to fraction form
    19,996.05/29,994.90 = 6,857.46/x
  3. Step 3: Cross multiply
    19,996.05x = 29,994.90 × 6,857.46
  4. Step 4: Simplify right side
    19,996.05x = 205,688,826.95
  5. Step 5: Solve for x
    x = 205,688,826.95/19,996.05
  6. Step 6: Final answer
    x = 10,286.47

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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.