Home / 10,192.92-15,289.40-8,209.26

Finding the Fourth Proportional to 10,192.92, 15,289.40 and 8,209.26

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Solution

The fourth proportional to 10,192.92, 15,289.40 and 8,209.26 is: 12,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.92 : 15,289.40 = 8,209.26 : x
  2. Step 2: Convert to fraction form
    10,192.92/15,289.40 = 8,209.26/x
  3. Step 3: Cross multiply
    10,192.92x = 15,289.40 × 8,209.26
  4. Step 4: Simplify right side
    10,192.92x = 125,514,618.80
  5. Step 5: Solve for x
    x = 125,514,618.80/10,192.92
  6. Step 6: Final answer
    x = 12,313.90

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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.