Home / 11,239.30-15,511.17-6,203.98

Finding the Fourth Proportional to 11,239.30, 15,511.17 and 6,203.98

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Solution

The fourth proportional to 11,239.30, 15,511.17 and 6,203.98 is: 8,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.30 : 15,511.17 = 6,203.98 : x
  2. Step 2: Convert to fraction form
    11,239.30/15,511.17 = 6,203.98/x
  3. Step 3: Cross multiply
    11,239.30x = 15,511.17 × 6,203.98
  4. Step 4: Simplify right side
    11,239.30x = 96,230,988.46
  5. Step 5: Solve for x
    x = 96,230,988.46/11,239.30
  6. Step 6: Final answer
    x = 8,562.01

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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.