Home / 22,605.09-31,197.81-13,174.26

Finding the Fourth Proportional to 22,605.09, 31,197.81 and 13,174.26

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Solution

The fourth proportional to 22,605.09, 31,197.81 and 13,174.26 is: 18,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.09 : 31,197.81 = 13,174.26 : x
  2. Step 2: Convert to fraction form
    22,605.09/31,197.81 = 13,174.26/x
  3. Step 3: Cross multiply
    22,605.09x = 31,197.81 × 13,174.26
  4. Step 4: Simplify right side
    22,605.09x = 411,008,060.37
  5. Step 5: Solve for x
    x = 411,008,060.37/22,605.09
  6. Step 6: Final answer
    x = 18,182.10

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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.