Home / 22,604.22-31,195.33-13,045.81

Finding the Fourth Proportional to 22,604.22, 31,195.33 and 13,045.81

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Solution

The fourth proportional to 22,604.22, 31,195.33 and 13,045.81 is: 18,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,604.22 : 31,195.33 = 13,045.81 : x
  2. Step 2: Convert to fraction form
    22,604.22/31,195.33 = 13,045.81/x
  3. Step 3: Cross multiply
    22,604.22x = 31,195.33 × 13,045.81
  4. Step 4: Simplify right side
    22,604.22x = 406,968,348.07
  5. Step 5: Solve for x
    x = 406,968,348.07/22,604.22
  6. Step 6: Final answer
    x = 18,004.09

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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.