Home / 11,749.39-16,214.12-7,272.25

Finding the Fourth Proportional to 11,749.39, 16,214.12 and 7,272.25

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Solution

The fourth proportional to 11,749.39, 16,214.12 and 7,272.25 is: 10,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.39 : 16,214.12 = 7,272.25 : x
  2. Step 2: Convert to fraction form
    11,749.39/16,214.12 = 7,272.25/x
  3. Step 3: Cross multiply
    11,749.39x = 16,214.12 × 7,272.25
  4. Step 4: Simplify right side
    11,749.39x = 117,913,097.81
  5. Step 5: Solve for x
    x = 117,913,097.81/11,749.39
  6. Step 6: Final answer
    x = 10,035.68

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Half scale
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Double scale
Find fourth proportional to 11,750.39, 16,215.49 and 7,273.25
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.