Home / 11,630.40-17,444.76-4,231.20

Finding the Fourth Proportional to 11,630.40, 17,444.76 and 4,231.20

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Solution

The fourth proportional to 11,630.40, 17,444.76 and 4,231.20 is: 6,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.40 : 17,444.76 = 4,231.20 : x
  2. Step 2: Convert to fraction form
    11,630.40/17,444.76 = 4,231.20/x
  3. Step 3: Cross multiply
    11,630.40x = 17,444.76 × 4,231.20
  4. Step 4: Simplify right side
    11,630.40x = 73,812,268.51
  5. Step 5: Solve for x
    x = 73,812,268.51/11,630.40
  6. Step 6: Final answer
    x = 6,346.49

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Half scale
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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.