Home / 11,956.78-16,497.75-7,242.22

Finding the Fourth Proportional to 11,956.78, 16,497.75 and 7,242.22

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Solution

The fourth proportional to 11,956.78, 16,497.75 and 7,242.22 is: 9,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.78 : 16,497.75 = 7,242.22 : x
  2. Step 2: Convert to fraction form
    11,956.78/16,497.75 = 7,242.22/x
  3. Step 3: Cross multiply
    11,956.78x = 16,497.75 × 7,242.22
  4. Step 4: Simplify right side
    11,956.78x = 119,480,335.01
  5. Step 5: Solve for x
    x = 119,480,335.01/11,956.78
  6. Step 6: Final answer
    x = 9,992.68

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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.