Home / 11,815.29-16,288.77-8,452.23

Finding the Fourth Proportional to 11,815.29, 16,288.77 and 8,452.23

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Solution

The fourth proportional to 11,815.29, 16,288.77 and 8,452.23 is: 11,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.29 : 16,288.77 = 8,452.23 : x
  2. Step 2: Convert to fraction form
    11,815.29/16,288.77 = 8,452.23/x
  3. Step 3: Cross multiply
    11,815.29x = 16,288.77 × 8,452.23
  4. Step 4: Simplify right side
    11,815.29x = 137,676,430.46
  5. Step 5: Solve for x
    x = 137,676,430.46/11,815.29
  6. Step 6: Final answer
    x = 11,652.40

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Half scale
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Double scale
Find fourth proportional to 11,816.29, 16,290.15 and 8,453.23
Similar ratio
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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.