Home / 15,917.26-21,975.25-10,541.34

Finding the Fourth Proportional to 15,917.26, 21,975.25 and 10,541.34

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Solution

The fourth proportional to 15,917.26, 21,975.25 and 10,541.34 is: 14,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.26 : 21,975.25 = 10,541.34 : x
  2. Step 2: Convert to fraction form
    15,917.26/21,975.25 = 10,541.34/x
  3. Step 3: Cross multiply
    15,917.26x = 21,975.25 × 10,541.34
  4. Step 4: Simplify right side
    15,917.26x = 231,648,575.25
  5. Step 5: Solve for x
    x = 231,648,575.25/15,917.26
  6. Step 6: Final answer
    x = 14,553.30

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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.