Home / 19,016.92-28,513.50-7,316.20

Finding the Fourth Proportional to 19,016.92, 28,513.50 and 7,316.20

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Solution

The fourth proportional to 19,016.92, 28,513.50 and 7,316.20 is: 10,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.92 : 28,513.50 = 7,316.20 : x
  2. Step 2: Convert to fraction form
    19,016.92/28,513.50 = 7,316.20/x
  3. Step 3: Cross multiply
    19,016.92x = 28,513.50 × 7,316.20
  4. Step 4: Simplify right side
    19,016.92x = 208,610,468.70
  5. Step 5: Solve for x
    x = 208,610,468.70/19,016.92
  6. Step 6: Final answer
    x = 10,969.73

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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.