Home / 12,011.22-18,016.83-5,437.26

Finding the Fourth Proportional to 12,011.22, 18,016.83 and 5,437.26

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Solution

The fourth proportional to 12,011.22, 18,016.83 and 5,437.26 is: 8,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.22 : 18,016.83 = 5,437.26 : x
  2. Step 2: Convert to fraction form
    12,011.22/18,016.83 = 5,437.26/x
  3. Step 3: Cross multiply
    12,011.22x = 18,016.83 × 5,437.26
  4. Step 4: Simplify right side
    12,011.22x = 97,962,189.09
  5. Step 5: Solve for x
    x = 97,962,189.09/12,011.22
  6. Step 6: Final answer
    x = 8,155.89

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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.