Home / 14,777.60-22,102.40-13,228.80

Finding the Fourth Proportional to 14,777.60, 22,102.40 and 13,228.80

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Solution

The fourth proportional to 14,777.60, 22,102.40 and 13,228.80 is: 19,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.60 : 22,102.40 = 13,228.80 : x
  2. Step 2: Convert to fraction form
    14,777.60/22,102.40 = 13,228.80/x
  3. Step 3: Cross multiply
    14,777.60x = 22,102.40 × 13,228.80
  4. Step 4: Simplify right side
    14,777.60x = 292,388,229.12
  5. Step 5: Solve for x
    x = 292,388,229.12/14,777.60
  6. Step 6: Final answer
    x = 19,785.91

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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.