Home / 11,005.34-15,193.25-8,610.22

Finding the Fourth Proportional to 11,005.34, 15,193.25 and 8,610.22

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Solution

The fourth proportional to 11,005.34, 15,193.25 and 8,610.22 is: 11,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.34 : 15,193.25 = 8,610.22 : x
  2. Step 2: Convert to fraction form
    11,005.34/15,193.25 = 8,610.22/x
  3. Step 3: Cross multiply
    11,005.34x = 15,193.25 × 8,610.22
  4. Step 4: Simplify right side
    11,005.34x = 130,817,208.56
  5. Step 5: Solve for x
    x = 130,817,208.56/11,005.34
  6. Step 6: Final answer
    x = 11,886.71

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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.