Home / 11,239.50-15,510.36-6,203.82

Finding the Fourth Proportional to 11,239.50, 15,510.36 and 6,203.82

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Solution

The fourth proportional to 11,239.50, 15,510.36 and 6,203.82 is: 8,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.50 : 15,510.36 = 6,203.82 : x
  2. Step 2: Convert to fraction form
    11,239.50/15,510.36 = 6,203.82/x
  3. Step 3: Cross multiply
    11,239.50x = 15,510.36 × 6,203.82
  4. Step 4: Simplify right side
    11,239.50x = 96,223,440.86
  5. Step 5: Solve for x
    x = 96,223,440.86/11,239.50
  6. Step 6: Final answer
    x = 8,561.18

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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.