Home / 14,420.20-21,631.26-4,031.56

Finding the Fourth Proportional to 14,420.20, 21,631.26 and 4,031.56

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Solution

The fourth proportional to 14,420.20, 21,631.26 and 4,031.56 is: 6,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.20 : 21,631.26 = 4,031.56 : x
  2. Step 2: Convert to fraction form
    14,420.20/21,631.26 = 4,031.56/x
  3. Step 3: Cross multiply
    14,420.20x = 21,631.26 × 4,031.56
  4. Step 4: Simplify right side
    14,420.20x = 87,207,722.57
  5. Step 5: Solve for x
    x = 87,207,722.57/14,420.20
  6. Step 6: Final answer
    x = 6,047.61

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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.