Home / 11,148.21-15,383.96-6,432.19

Finding the Fourth Proportional to 11,148.21, 15,383.96 and 6,432.19

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Solution

The fourth proportional to 11,148.21, 15,383.96 and 6,432.19 is: 8,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.21 : 15,383.96 = 6,432.19 : x
  2. Step 2: Convert to fraction form
    11,148.21/15,383.96 = 6,432.19/x
  3. Step 3: Cross multiply
    11,148.21x = 15,383.96 × 6,432.19
  4. Step 4: Simplify right side
    11,148.21x = 98,952,507.17
  5. Step 5: Solve for x
    x = 98,952,507.17/11,148.21
  6. Step 6: Final answer
    x = 8,876.09

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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.