Home / 22,552.63-31,125.33-13,121.19

Finding the Fourth Proportional to 22,552.63, 31,125.33 and 13,121.19

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Solution

The fourth proportional to 22,552.63, 31,125.33 and 13,121.19 is: 18,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.63 : 31,125.33 = 13,121.19 : x
  2. Step 2: Convert to fraction form
    22,552.63/31,125.33 = 13,121.19/x
  3. Step 3: Cross multiply
    22,552.63x = 31,125.33 × 13,121.19
  4. Step 4: Simplify right side
    22,552.63x = 408,401,368.74
  5. Step 5: Solve for x
    x = 408,401,368.74/22,552.63
  6. Step 6: Final answer
    x = 18,108.82

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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.