Home / 9,512.91-13,127.85-5,321.16

Finding the Fourth Proportional to 9,512.91, 13,127.85 and 5,321.16

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Solution

The fourth proportional to 9,512.91, 13,127.85 and 5,321.16 is: 7,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.91 : 13,127.85 = 5,321.16 : x
  2. Step 2: Convert to fraction form
    9,512.91/13,127.85 = 5,321.16/x
  3. Step 3: Cross multiply
    9,512.91x = 13,127.85 × 5,321.16
  4. Step 4: Simplify right side
    9,512.91x = 69,855,390.31
  5. Step 5: Solve for x
    x = 69,855,390.31/9,512.91
  6. Step 6: Final answer
    x = 7,343.22

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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.