Home / 15,047.27-20,759.83-9,076.76

Finding the Fourth Proportional to 15,047.27, 20,759.83 and 9,076.76

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Solution

The fourth proportional to 15,047.27, 20,759.83 and 9,076.76 is: 12,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047.27 : 20,759.83 = 9,076.76 : x
  2. Step 2: Convert to fraction form
    15,047.27/20,759.83 = 9,076.76/x
  3. Step 3: Cross multiply
    15,047.27x = 20,759.83 × 9,076.76
  4. Step 4: Simplify right side
    15,047.27x = 188,431,994.55
  5. Step 5: Solve for x
    x = 188,431,994.55/15,047.27
  6. Step 6: Final answer
    x = 12,522.67

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Half scale
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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.