Home / 9,334.72-12,881.91-5,142.97

Finding the Fourth Proportional to 9,334.72, 12,881.91 and 5,142.97

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Solution

The fourth proportional to 9,334.72, 12,881.91 and 5,142.97 is: 7,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.72 : 12,881.91 = 5,142.97 : x
  2. Step 2: Convert to fraction form
    9,334.72/12,881.91 = 5,142.97/x
  3. Step 3: Cross multiply
    9,334.72x = 12,881.91 × 5,142.97
  4. Step 4: Simplify right side
    9,334.72x = 66,251,276.67
  5. Step 5: Solve for x
    x = 66,251,276.67/9,334.72
  6. Step 6: Final answer
    x = 7,097.30

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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.