Home / 11,043.32-15,239.78-6,330.34

Finding the Fourth Proportional to 11,043.32, 15,239.78 and 6,330.34

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Solution

The fourth proportional to 11,043.32, 15,239.78 and 6,330.34 is: 8,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.32 : 15,239.78 = 6,330.34 : x
  2. Step 2: Convert to fraction form
    11,043.32/15,239.78 = 6,330.34/x
  3. Step 3: Cross multiply
    11,043.32x = 15,239.78 × 6,330.34
  4. Step 4: Simplify right side
    11,043.32x = 96,472,881.07
  5. Step 5: Solve for x
    x = 96,472,881.07/11,043.32
  6. Step 6: Final answer
    x = 8,735.86

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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.