Home / 15,102.09-22,650.30-5,239.35

Finding the Fourth Proportional to 15,102.09, 22,650.30 and 5,239.35

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Solution

The fourth proportional to 15,102.09, 22,650.30 and 5,239.35 is: 7,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.09 : 22,650.30 = 5,239.35 : x
  2. Step 2: Convert to fraction form
    15,102.09/22,650.30 = 5,239.35/x
  3. Step 3: Cross multiply
    15,102.09x = 22,650.30 × 5,239.35
  4. Step 4: Simplify right side
    15,102.09x = 118,672,849.31
  5. Step 5: Solve for x
    x = 118,672,849.31/15,102.09
  6. Step 6: Final answer
    x = 7,858.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.