Home / 19,324.83-28,990.89-7,320.57

Finding the Fourth Proportional to 19,324.83, 28,990.89 and 7,320.57

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Solution

The fourth proportional to 19,324.83, 28,990.89 and 7,320.57 is: 10,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.83 : 28,990.89 = 7,320.57 : x
  2. Step 2: Convert to fraction form
    19,324.83/28,990.89 = 7,320.57/x
  3. Step 3: Cross multiply
    19,324.83x = 28,990.89 × 7,320.57
  4. Step 4: Simplify right side
    19,324.83x = 212,229,906.42
  5. Step 5: Solve for x
    x = 212,229,906.42/19,324.83
  6. Step 6: Final answer
    x = 10,982.24

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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.