Home / 19,268.13-28,882.50-10,930.54

Finding the Fourth Proportional to 19,268.13, 28,882.50 and 10,930.54

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Solution

The fourth proportional to 19,268.13, 28,882.50 and 10,930.54 is: 16,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.13 : 28,882.50 = 10,930.54 : x
  2. Step 2: Convert to fraction form
    19,268.13/28,882.50 = 10,930.54/x
  3. Step 3: Cross multiply
    19,268.13x = 28,882.50 × 10,930.54
  4. Step 4: Simplify right side
    19,268.13x = 315,701,249.34
  5. Step 5: Solve for x
    x = 315,701,249.34/19,268.13
  6. Step 6: Final answer
    x = 16,384.63

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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.