Home / 15,898.24-21,939.52-8,824.96

Finding the Fourth Proportional to 15,898.24, 21,939.52 and 8,824.96

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Solution

The fourth proportional to 15,898.24, 21,939.52 and 8,824.96 is: 12,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.24 : 21,939.52 = 8,824.96 : x
  2. Step 2: Convert to fraction form
    15,898.24/21,939.52 = 8,824.96/x
  3. Step 3: Cross multiply
    15,898.24x = 21,939.52 × 8,824.96
  4. Step 4: Simplify right side
    15,898.24x = 193,615,386.42
  5. Step 5: Solve for x
    x = 193,615,386.42/15,898.24
  6. Step 6: Final answer
    x = 12,178.42

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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.