Home / 13,456.44-20,206.62-8,295.12

Finding the Fourth Proportional to 13,456.44, 20,206.62 and 8,295.12

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Solution

The fourth proportional to 13,456.44, 20,206.62 and 8,295.12 is: 12,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.44 : 20,206.62 = 8,295.12 : x
  2. Step 2: Convert to fraction form
    13,456.44/20,206.62 = 8,295.12/x
  3. Step 3: Cross multiply
    13,456.44x = 20,206.62 × 8,295.12
  4. Step 4: Simplify right side
    13,456.44x = 167,616,337.69
  5. Step 5: Solve for x
    x = 167,616,337.69/13,456.44
  6. Step 6: Final answer
    x = 12,456.22

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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.