Home / 9,192.64-12,686.13-5,213.92

Finding the Fourth Proportional to 9,192.64, 12,686.13 and 5,213.92

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Solution

The fourth proportional to 9,192.64, 12,686.13 and 5,213.92 is: 7,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.64 : 12,686.13 = 5,213.92 : x
  2. Step 2: Convert to fraction form
    9,192.64/12,686.13 = 5,213.92/x
  3. Step 3: Cross multiply
    9,192.64x = 12,686.13 × 5,213.92
  4. Step 4: Simplify right side
    9,192.64x = 66,144,466.93
  5. Step 5: Solve for x
    x = 66,144,466.93/9,192.64
  6. Step 6: Final answer
    x = 7,195.37

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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.