Home / 15,634.57-21,560.56-13,244.33

Finding the Fourth Proportional to 15,634.57, 21,560.56 and 13,244.33

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Solution

The fourth proportional to 15,634.57, 21,560.56 and 13,244.33 is: 18,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.57 : 21,560.56 = 13,244.33 : x
  2. Step 2: Convert to fraction form
    15,634.57/21,560.56 = 13,244.33/x
  3. Step 3: Cross multiply
    15,634.57x = 21,560.56 × 13,244.33
  4. Step 4: Simplify right side
    15,634.57x = 285,555,171.62
  5. Step 5: Solve for x
    x = 285,555,171.62/15,634.57
  6. Step 6: Final answer
    x = 18,264.34

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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.