Home / 11,323.10-15,614.88-8,800.76

Finding the Fourth Proportional to 11,323.10, 15,614.88 and 8,800.76

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Solution

The fourth proportional to 11,323.10, 15,614.88 and 8,800.76 is: 12,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.10 : 15,614.88 = 8,800.76 : x
  2. Step 2: Convert to fraction form
    11,323.10/15,614.88 = 8,800.76/x
  3. Step 3: Cross multiply
    11,323.10x = 15,614.88 × 8,800.76
  4. Step 4: Simplify right side
    11,323.10x = 137,422,811.31
  5. Step 5: Solve for x
    x = 137,422,811.31/11,323.10
  6. Step 6: Final answer
    x = 12,136.50

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Half scale
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Double scale
Find fourth proportional to 11,324.10, 15,616.26 and 8,801.76
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.