Home / 19,866.78-29,772.46-14,930.64

Finding the Fourth Proportional to 19,866.78, 29,772.46 and 14,930.64

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Solution

The fourth proportional to 19,866.78, 29,772.46 and 14,930.64 is: 22,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.78 : 29,772.46 = 14,930.64 : x
  2. Step 2: Convert to fraction form
    19,866.78/29,772.46 = 14,930.64/x
  3. Step 3: Cross multiply
    19,866.78x = 29,772.46 × 14,930.64
  4. Step 4: Simplify right side
    19,866.78x = 444,521,770.42
  5. Step 5: Solve for x
    x = 444,521,770.42/19,866.78
  6. Step 6: Final answer
    x = 22,375.13

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1.5x scale

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.