Home / 15,330.56-22,861.68-15,190.43

Finding the Fourth Proportional to 15,330.56, 22,861.68 and 15,190.43

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Solution

The fourth proportional to 15,330.56, 22,861.68 and 15,190.43 is: 22,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.56 : 22,861.68 = 15,190.43 : x
  2. Step 2: Convert to fraction form
    15,330.56/22,861.68 = 15,190.43/x
  3. Step 3: Cross multiply
    15,330.56x = 22,861.68 × 15,190.43
  4. Step 4: Simplify right side
    15,330.56x = 347,278,749.72
  5. Step 5: Solve for x
    x = 347,278,749.72/15,330.56
  6. Step 6: Final answer
    x = 22,652.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.