Home / 22,167.09-30,601.76-14,108.91

Finding the Fourth Proportional to 22,167.09, 30,601.76 and 14,108.91

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Solution

The fourth proportional to 22,167.09, 30,601.76 and 14,108.91 is: 19,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.09 : 30,601.76 = 14,108.91 : x
  2. Step 2: Convert to fraction form
    22,167.09/30,601.76 = 14,108.91/x
  3. Step 3: Cross multiply
    22,167.09x = 30,601.76 × 14,108.91
  4. Step 4: Simplify right side
    22,167.09x = 431,757,477.68
  5. Step 5: Solve for x
    x = 431,757,477.68/22,167.09
  6. Step 6: Final answer
    x = 19,477.41

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1.5x scale

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.