Home / 15,346.22-21,163.34-14,200.79

Finding the Fourth Proportional to 15,346.22, 21,163.34 and 14,200.79

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Solution

The fourth proportional to 15,346.22, 21,163.34 and 14,200.79 is: 19,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.22 : 21,163.34 = 14,200.79 : x
  2. Step 2: Convert to fraction form
    15,346.22/21,163.34 = 14,200.79/x
  3. Step 3: Cross multiply
    15,346.22x = 21,163.34 × 14,200.79
  4. Step 4: Simplify right side
    15,346.22x = 300,536,076.72
  5. Step 5: Solve for x
    x = 300,536,076.72/15,346.22
  6. Step 6: Final answer
    x = 19,583.73

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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.