Home / 15,647.70-21,593.30-8,573.96

Finding the Fourth Proportional to 15,647.70, 21,593.30 and 8,573.96

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Solution

The fourth proportional to 15,647.70, 21,593.30 and 8,573.96 is: 11,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.70 : 21,593.30 = 8,573.96 : x
  2. Step 2: Convert to fraction form
    15,647.70/21,593.30 = 8,573.96/x
  3. Step 3: Cross multiply
    15,647.70x = 21,593.30 × 8,573.96
  4. Step 4: Simplify right side
    15,647.70x = 185,140,090.47
  5. Step 5: Solve for x
    x = 185,140,090.47/15,647.70
  6. Step 6: Final answer
    x = 11,831.78

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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.