Home / 9,296.78-13,921.38-5,132.16

Finding the Fourth Proportional to 9,296.78, 13,921.38 and 5,132.16

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Solution

The fourth proportional to 9,296.78, 13,921.38 and 5,132.16 is: 7,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.78 : 13,921.38 = 5,132.16 : x
  2. Step 2: Convert to fraction form
    9,296.78/13,921.38 = 5,132.16/x
  3. Step 3: Cross multiply
    9,296.78x = 13,921.38 × 5,132.16
  4. Step 4: Simplify right side
    9,296.78x = 71,446,749.58
  5. Step 5: Solve for x
    x = 71,446,749.58/9,296.78
  6. Step 6: Final answer
    x = 7,685.11

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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.