Home / 11,342.96-16,972.56-6,884.72

Finding the Fourth Proportional to 11,342.96, 16,972.56 and 6,884.72

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Solution

The fourth proportional to 11,342.96, 16,972.56 and 6,884.72 is: 10,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.96 : 16,972.56 = 6,884.72 : x
  2. Step 2: Convert to fraction form
    11,342.96/16,972.56 = 6,884.72/x
  3. Step 3: Cross multiply
    11,342.96x = 16,972.56 × 6,884.72
  4. Step 4: Simplify right side
    11,342.96x = 116,851,323.28
  5. Step 5: Solve for x
    x = 116,851,323.28/11,342.96
  6. Step 6: Final answer
    x = 10,301.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.