Home / 22,504.17-31,057.65-13,072.14

Finding the Fourth Proportional to 22,504.17, 31,057.65 and 13,072.14

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Solution

The fourth proportional to 22,504.17, 31,057.65 and 13,072.14 is: 18,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.17 : 31,057.65 = 13,072.14 : x
  2. Step 2: Convert to fraction form
    22,504.17/31,057.65 = 13,072.14/x
  3. Step 3: Cross multiply
    22,504.17x = 31,057.65 × 13,072.14
  4. Step 4: Simplify right side
    22,504.17x = 405,989,948.87
  5. Step 5: Solve for x
    x = 405,989,948.87/22,504.17
  6. Step 6: Final answer
    x = 18,040.65

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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.