Home / 20,286.95-30,409.56-9,741.15

Finding the Fourth Proportional to 20,286.95, 30,409.56 and 9,741.15

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Solution

The fourth proportional to 20,286.95, 30,409.56 and 9,741.15 is: 14,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286.95 : 30,409.56 = 9,741.15 : x
  2. Step 2: Convert to fraction form
    20,286.95/30,409.56 = 9,741.15/x
  3. Step 3: Cross multiply
    20,286.95x = 30,409.56 × 9,741.15
  4. Step 4: Simplify right side
    20,286.95x = 296,224,085.39
  5. Step 5: Solve for x
    x = 296,224,085.39/20,286.95
  6. Step 6: Final answer
    x = 14,601.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.