Home / 9,516.35-13,132.60-5,209.45

Finding the Fourth Proportional to 9,516.35, 13,132.60 and 5,209.45

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Solution

The fourth proportional to 9,516.35, 13,132.60 and 5,209.45 is: 7,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.35 : 13,132.60 = 5,209.45 : x
  2. Step 2: Convert to fraction form
    9,516.35/13,132.60 = 5,209.45/x
  3. Step 3: Cross multiply
    9,516.35x = 13,132.60 × 5,209.45
  4. Step 4: Simplify right side
    9,516.35x = 68,413,577.21
  5. Step 5: Solve for x
    x = 68,413,577.21/9,516.35
  6. Step 6: Final answer
    x = 7,189.05

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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.