Home / 11,207.50-15,467.43-6,239.50

Finding the Fourth Proportional to 11,207.50, 15,467.43 and 6,239.50

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Solution

The fourth proportional to 11,207.50, 15,467.43 and 6,239.50 is: 8,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.50 : 15,467.43 = 6,239.50 : x
  2. Step 2: Convert to fraction form
    11,207.50/15,467.43 = 6,239.50/x
  3. Step 3: Cross multiply
    11,207.50x = 15,467.43 × 6,239.50
  4. Step 4: Simplify right side
    11,207.50x = 96,509,029.49
  5. Step 5: Solve for x
    x = 96,509,029.49/11,207.50
  6. Step 6: Final answer
    x = 8,611.11

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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.