Home / 9,513.88-13,121.10-5,736.22

Finding the Fourth Proportional to 9,513.88, 13,121.10 and 5,736.22

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Solution

The fourth proportional to 9,513.88, 13,121.10 and 5,736.22 is: 7,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.88 : 13,121.10 = 5,736.22 : x
  2. Step 2: Convert to fraction form
    9,513.88/13,121.10 = 5,736.22/x
  3. Step 3: Cross multiply
    9,513.88x = 13,121.10 × 5,736.22
  4. Step 4: Simplify right side
    9,513.88x = 75,265,483.44
  5. Step 5: Solve for x
    x = 75,265,483.44/9,513.88
  6. Step 6: Final answer
    x = 7,911.13

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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.