Home / 22,554.48-31,128.44-13,126.08

Finding the Fourth Proportional to 22,554.48, 31,128.44 and 13,126.08

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Solution

The fourth proportional to 22,554.48, 31,128.44 and 13,126.08 is: 18,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.48 : 31,128.44 = 13,126.08 : x
  2. Step 2: Convert to fraction form
    22,554.48/31,128.44 = 13,126.08/x
  3. Step 3: Cross multiply
    22,554.48x = 31,128.44 × 13,126.08
  4. Step 4: Simplify right side
    22,554.48x = 408,594,393.72
  5. Step 5: Solve for x
    x = 408,594,393.72/22,554.48
  6. Step 6: Final answer
    x = 18,115.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.