Home / 22,546.69-31,114.33-12,983.09

Finding the Fourth Proportional to 22,546.69, 31,114.33 and 12,983.09

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Solution

The fourth proportional to 22,546.69, 31,114.33 and 12,983.09 is: 17,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,546.69 : 31,114.33 = 12,983.09 : x
  2. Step 2: Convert to fraction form
    22,546.69/31,114.33 = 12,983.09/x
  3. Step 3: Cross multiply
    22,546.69x = 31,114.33 × 12,983.09
  4. Step 4: Simplify right side
    22,546.69x = 403,959,958.65
  5. Step 5: Solve for x
    x = 403,959,958.65/22,546.69
  6. Step 6: Final answer
    x = 17,916.60

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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.