Home / 12,331.64-18,497.48-3,097.64

Finding the Fourth Proportional to 12,331.64, 18,497.48 and 3,097.64

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Solution

The fourth proportional to 12,331.64, 18,497.48 and 3,097.64 is: 4,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.64 : 18,497.48 = 3,097.64 : x
  2. Step 2: Convert to fraction form
    12,331.64/18,497.48 = 3,097.64/x
  3. Step 3: Cross multiply
    12,331.64x = 18,497.48 × 3,097.64
  4. Step 4: Simplify right side
    12,331.64x = 57,298,533.95
  5. Step 5: Solve for x
    x = 57,298,533.95/12,331.64
  6. Step 6: Final answer
    x = 4,646.47

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Double scale
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Similar ratio
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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.