Home / 13,296.03-18,349.32-7,327.69

Finding the Fourth Proportional to 13,296.03, 18,349.32 and 7,327.69

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Solution

The fourth proportional to 13,296.03, 18,349.32 and 7,327.69 is: 10,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.03 : 18,349.32 = 7,327.69 : x
  2. Step 2: Convert to fraction form
    13,296.03/18,349.32 = 7,327.69/x
  3. Step 3: Cross multiply
    13,296.03x = 18,349.32 × 7,327.69
  4. Step 4: Simplify right side
    13,296.03x = 134,458,128.67
  5. Step 5: Solve for x
    x = 134,458,128.67/13,296.03
  6. Step 6: Final answer
    x = 10,112.65

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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.