Home / 8,152.31-12,228.47-1,996.31

Finding the Fourth Proportional to 8,152.31, 12,228.47 and 1,996.31

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Solution

The fourth proportional to 8,152.31, 12,228.47 and 1,996.31 is: 2,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.31 : 12,228.47 = 1,996.31 : x
  2. Step 2: Convert to fraction form
    8,152.31/12,228.47 = 1,996.31/x
  3. Step 3: Cross multiply
    8,152.31x = 12,228.47 × 1,996.31
  4. Step 4: Simplify right side
    8,152.31x = 24,411,845.02
  5. Step 5: Solve for x
    x = 24,411,845.02/8,152.31
  6. Step 6: Final answer
    x = 2,994.47

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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.