Home / 13,544.60-20,285.22-11,715.80

Finding the Fourth Proportional to 13,544.60, 20,285.22 and 11,715.80

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Solution

The fourth proportional to 13,544.60, 20,285.22 and 11,715.80 is: 17,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.60 : 20,285.22 = 11,715.80 : x
  2. Step 2: Convert to fraction form
    13,544.60/20,285.22 = 11,715.80/x
  3. Step 3: Cross multiply
    13,544.60x = 20,285.22 × 11,715.80
  4. Step 4: Simplify right side
    13,544.60x = 237,657,580.48
  5. Step 5: Solve for x
    x = 237,657,580.48/13,544.60
  6. Step 6: Final answer
    x = 17,546.30

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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.