Home / 14,785.60-22,114.40-13,236.80

Finding the Fourth Proportional to 14,785.60, 22,114.40 and 13,236.80

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Solution

The fourth proportional to 14,785.60, 22,114.40 and 13,236.80 is: 19,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.60 : 22,114.40 = 13,236.80 : x
  2. Step 2: Convert to fraction form
    14,785.60/22,114.40 = 13,236.80/x
  3. Step 3: Cross multiply
    14,785.60x = 22,114.40 × 13,236.80
  4. Step 4: Simplify right side
    14,785.60x = 292,723,889.92
  5. Step 5: Solve for x
    x = 292,723,889.92/14,785.60
  6. Step 6: Final answer
    x = 19,797.90

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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.