Home / 15,570.56-21,487.32-8,496.97

Finding the Fourth Proportional to 15,570.56, 21,487.32 and 8,496.97

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Solution

The fourth proportional to 15,570.56, 21,487.32 and 8,496.97 is: 11,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.56 : 21,487.32 = 8,496.97 : x
  2. Step 2: Convert to fraction form
    15,570.56/21,487.32 = 8,496.97/x
  3. Step 3: Cross multiply
    15,570.56x = 21,487.32 × 8,496.97
  4. Step 4: Simplify right side
    15,570.56x = 182,577,059.70
  5. Step 5: Solve for x
    x = 182,577,059.70/15,570.56
  6. Step 6: Final answer
    x = 11,725.78

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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.