Home / 15,705.37-21,650.97-11,227.48

Finding the Fourth Proportional to 15,705.37, 21,650.97 and 11,227.48

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Solution

The fourth proportional to 15,705.37, 21,650.97 and 11,227.48 is: 15,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.37 : 21,650.97 = 11,227.48 : x
  2. Step 2: Convert to fraction form
    15,705.37/21,650.97 = 11,227.48/x
  3. Step 3: Cross multiply
    15,705.37x = 21,650.97 × 11,227.48
  4. Step 4: Simplify right side
    15,705.37x = 243,085,724.40
  5. Step 5: Solve for x
    x = 243,085,724.40/15,705.37
  6. Step 6: Final answer
    x = 15,477.88

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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.