Home / 11,832.78-16,324.29-7,856.04

Finding the Fourth Proportional to 11,832.78, 16,324.29 and 7,856.04

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Solution

The fourth proportional to 11,832.78, 16,324.29 and 7,856.04 is: 10,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.78 : 16,324.29 = 7,856.04 : x
  2. Step 2: Convert to fraction form
    11,832.78/16,324.29 = 7,856.04/x
  3. Step 3: Cross multiply
    11,832.78x = 16,324.29 × 7,856.04
  4. Step 4: Simplify right side
    11,832.78x = 128,244,275.21
  5. Step 5: Solve for x
    x = 128,244,275.21/11,832.78
  6. Step 6: Final answer
    x = 10,838.05

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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.