Home / 11,247.76-15,521.83-6,212.31

Finding the Fourth Proportional to 11,247.76, 15,521.83 and 6,212.31

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Solution

The fourth proportional to 11,247.76, 15,521.83 and 6,212.31 is: 8,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.76 : 15,521.83 = 6,212.31 : x
  2. Step 2: Convert to fraction form
    11,247.76/15,521.83 = 6,212.31/x
  3. Step 3: Cross multiply
    11,247.76x = 15,521.83 × 6,212.31
  4. Step 4: Simplify right side
    11,247.76x = 96,426,419.73
  5. Step 5: Solve for x
    x = 96,426,419.73/11,247.76
  6. Step 6: Final answer
    x = 8,572.94

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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.