Home / 9,392.30-12,961.62-5,143.60

Finding the Fourth Proportional to 9,392.30, 12,961.62 and 5,143.60

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Solution

The fourth proportional to 9,392.30, 12,961.62 and 5,143.60 is: 7,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.30 : 12,961.62 = 5,143.60 : x
  2. Step 2: Convert to fraction form
    9,392.30/12,961.62 = 5,143.60/x
  3. Step 3: Cross multiply
    9,392.30x = 12,961.62 × 5,143.60
  4. Step 4: Simplify right side
    9,392.30x = 66,669,404.83
  5. Step 5: Solve for x
    x = 66,669,404.83/9,392.30
  6. Step 6: Final answer
    x = 7,098.30

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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.