Home / 15,272.43-21,076.83-8,560.23

Finding the Fourth Proportional to 15,272.43, 21,076.83 and 8,560.23

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Solution

The fourth proportional to 15,272.43, 21,076.83 and 8,560.23 is: 11,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.43 : 21,076.83 = 8,560.23 : x
  2. Step 2: Convert to fraction form
    15,272.43/21,076.83 = 8,560.23/x
  3. Step 3: Cross multiply
    15,272.43x = 21,076.83 × 8,560.23
  4. Step 4: Simplify right side
    15,272.43x = 180,422,409.36
  5. Step 5: Solve for x
    x = 180,422,409.36/15,272.43
  6. Step 6: Final answer
    x = 11,813.60

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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.