Home / 15,216.32-20,996.91-8,841.69

Finding the Fourth Proportional to 15,216.32, 20,996.91 and 8,841.69

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Solution

The fourth proportional to 15,216.32, 20,996.91 and 8,841.69 is: 12,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.32 : 20,996.91 = 8,841.69 : x
  2. Step 2: Convert to fraction form
    15,216.32/20,996.91 = 8,841.69/x
  3. Step 3: Cross multiply
    15,216.32x = 20,996.91 × 8,841.69
  4. Step 4: Simplify right side
    15,216.32x = 185,648,169.18
  5. Step 5: Solve for x
    x = 185,648,169.18/15,216.32
  6. Step 6: Final answer
    x = 12,200.59

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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.