Home / 15,239.91-22,859.71-4,146.43

Finding the Fourth Proportional to 15,239.91, 22,859.71 and 4,146.43

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Solution

The fourth proportional to 15,239.91, 22,859.71 and 4,146.43 is: 6,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.91 : 22,859.71 = 4,146.43 : x
  2. Step 2: Convert to fraction form
    15,239.91/22,859.71 = 4,146.43/x
  3. Step 3: Cross multiply
    15,239.91x = 22,859.71 × 4,146.43
  4. Step 4: Simplify right side
    15,239.91x = 94,786,187.34
  5. Step 5: Solve for x
    x = 94,786,187.34/15,239.91
  6. Step 6: Final answer
    x = 6,219.60

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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.