Home / 20,849.91-31,196.39-14,622.07

Finding the Fourth Proportional to 20,849.91, 31,196.39 and 14,622.07

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Solution

The fourth proportional to 20,849.91, 31,196.39 and 14,622.07 is: 21,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.91 : 31,196.39 = 14,622.07 : x
  2. Step 2: Convert to fraction form
    20,849.91/31,196.39 = 14,622.07/x
  3. Step 3: Cross multiply
    20,849.91x = 31,196.39 × 14,622.07
  4. Step 4: Simplify right side
    20,849.91x = 456,155,787.97
  5. Step 5: Solve for x
    x = 456,155,787.97/20,849.91
  6. Step 6: Final answer
    x = 21,878.07

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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.