Home / 20,725.74-28,601.85-11,773.50

Finding the Fourth Proportional to 20,725.74, 28,601.85 and 11,773.50

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Solution

The fourth proportional to 20,725.74, 28,601.85 and 11,773.50 is: 16,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.74 : 28,601.85 = 11,773.50 : x
  2. Step 2: Convert to fraction form
    20,725.74/28,601.85 = 11,773.50/x
  3. Step 3: Cross multiply
    20,725.74x = 28,601.85 × 11,773.50
  4. Step 4: Simplify right side
    20,725.74x = 336,743,880.98
  5. Step 5: Solve for x
    x = 336,743,880.98/20,725.74
  6. Step 6: Final answer
    x = 16,247.62

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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.