Home / 22,148.24-30,564-12,076.70

Finding the Fourth Proportional to 22,148.24, 30,564 and 12,076.70

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Solution

The fourth proportional to 22,148.24, 30,564 and 12,076.70 is: 16,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.24 : 30,564 = 12,076.70 : x
  2. Step 2: Convert to fraction form
    22,148.24/30,564 = 12,076.70/x
  3. Step 3: Cross multiply
    22,148.24x = 30,564 × 12,076.70
  4. Step 4: Simplify right side
    22,148.24x = 369,112,105.98
  5. Step 5: Solve for x
    x = 369,112,105.98/22,148.24
  6. Step 6: Final answer
    x = 16,665.53

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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.