Home / 19,016.32-28,505.04-7,324.96

Finding the Fourth Proportional to 19,016.32, 28,505.04 and 7,324.96

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Solution

The fourth proportional to 19,016.32, 28,505.04 and 7,324.96 is: 10,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.32 : 28,505.04 = 7,324.96 : x
  2. Step 2: Convert to fraction form
    19,016.32/28,505.04 = 7,324.96/x
  3. Step 3: Cross multiply
    19,016.32x = 28,505.04 × 7,324.96
  4. Step 4: Simplify right side
    19,016.32x = 208,798,277.80
  5. Step 5: Solve for x
    x = 208,798,277.80/19,016.32
  6. Step 6: Final answer
    x = 10,979.95

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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.