Home / 15,447.37-23,171.19-10,115.05

Finding the Fourth Proportional to 15,447.37, 23,171.19 and 10,115.05

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Solution

The fourth proportional to 15,447.37, 23,171.19 and 10,115.05 is: 15,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.37 : 23,171.19 = 10,115.05 : x
  2. Step 2: Convert to fraction form
    15,447.37/23,171.19 = 10,115.05/x
  3. Step 3: Cross multiply
    15,447.37x = 23,171.19 × 10,115.05
  4. Step 4: Simplify right side
    15,447.37x = 234,377,649.55
  5. Step 5: Solve for x
    x = 234,377,649.55/15,447.37
  6. Step 6: Final answer
    x = 15,172.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.