Home / 15,076.63-22,581.46-8,488.09

Finding the Fourth Proportional to 15,076.63, 22,581.46 and 8,488.09

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Solution

The fourth proportional to 15,076.63, 22,581.46 and 8,488.09 is: 12,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.63 : 22,581.46 = 8,488.09 : x
  2. Step 2: Convert to fraction form
    15,076.63/22,581.46 = 8,488.09/x
  3. Step 3: Cross multiply
    15,076.63x = 22,581.46 × 8,488.09
  4. Step 4: Simplify right side
    15,076.63x = 191,673,309.46
  5. Step 5: Solve for x
    x = 191,673,309.46/15,076.63
  6. Step 6: Final answer
    x = 12,713.28

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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.