Home / 13,588.56-20,385.72-6,573.60

Finding the Fourth Proportional to 13,588.56, 20,385.72 and 6,573.60

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Solution

The fourth proportional to 13,588.56, 20,385.72 and 6,573.60 is: 9,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.56 : 20,385.72 = 6,573.60 : x
  2. Step 2: Convert to fraction form
    13,588.56/20,385.72 = 6,573.60/x
  3. Step 3: Cross multiply
    13,588.56x = 20,385.72 × 6,573.60
  4. Step 4: Simplify right side
    13,588.56x = 134,007,568.99
  5. Step 5: Solve for x
    x = 134,007,568.99/13,588.56
  6. Step 6: Final answer
    x = 9,861.79

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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.