Home / 30,183.04-45,276.60-7,996.12

Finding the Fourth Proportional to 30,183.04, 45,276.60 and 7,996.12

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Solution

The fourth proportional to 30,183.04, 45,276.60 and 7,996.12 is: 11,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.04 : 45,276.60 = 7,996.12 : x
  2. Step 2: Convert to fraction form
    30,183.04/45,276.60 = 7,996.12/x
  3. Step 3: Cross multiply
    30,183.04x = 45,276.60 × 7,996.12
  4. Step 4: Simplify right side
    30,183.04x = 362,037,126.79
  5. Step 5: Solve for x
    x = 362,037,126.79/30,183.04
  6. Step 6: Final answer
    x = 11,994.72

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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.