Home / 13,301.42-18,357.23-7,996.12

Finding the Fourth Proportional to 13,301.42, 18,357.23 and 7,996.12

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Solution

The fourth proportional to 13,301.42, 18,357.23 and 7,996.12 is: 11,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.42 : 18,357.23 = 7,996.12 : x
  2. Step 2: Convert to fraction form
    13,301.42/18,357.23 = 7,996.12/x
  3. Step 3: Cross multiply
    13,301.42x = 18,357.23 × 7,996.12
  4. Step 4: Simplify right side
    13,301.42x = 146,786,588.04
  5. Step 5: Solve for x
    x = 146,786,588.04/13,301.42
  6. Step 6: Final answer
    x = 11,035.41

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.