Home / 19,982.79-29,974.18-5,942.76

Finding the Fourth Proportional to 19,982.79, 29,974.18 and 5,942.76

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Solution

The fourth proportional to 19,982.79, 29,974.18 and 5,942.76 is: 8,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.79 : 29,974.18 = 5,942.76 : x
  2. Step 2: Convert to fraction form
    19,982.79/29,974.18 = 5,942.76/x
  3. Step 3: Cross multiply
    19,982.79x = 29,974.18 × 5,942.76
  4. Step 4: Simplify right side
    19,982.79x = 178,129,328.22
  5. Step 5: Solve for x
    x = 178,129,328.22/19,982.79
  6. Step 6: Final answer
    x = 8,914.14

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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.