Home / 12,021.07-16,594.90-8,443.62

Finding the Fourth Proportional to 12,021.07, 16,594.90 and 8,443.62

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Solution

The fourth proportional to 12,021.07, 16,594.90 and 8,443.62 is: 11,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.07 : 16,594.90 = 8,443.62 : x
  2. Step 2: Convert to fraction form
    12,021.07/16,594.90 = 8,443.62/x
  3. Step 3: Cross multiply
    12,021.07x = 16,594.90 × 8,443.62
  4. Step 4: Simplify right side
    12,021.07x = 140,121,029.54
  5. Step 5: Solve for x
    x = 140,121,029.54/12,021.07
  6. Step 6: Final answer
    x = 11,656.29

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.