Home / 14,900.80-22,426.84-11,221.60

Finding the Fourth Proportional to 14,900.80, 22,426.84 and 11,221.60

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Solution

The fourth proportional to 14,900.80, 22,426.84 and 11,221.60 is: 16,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.80 : 22,426.84 = 11,221.60 : x
  2. Step 2: Convert to fraction form
    14,900.80/22,426.84 = 11,221.60/x
  3. Step 3: Cross multiply
    14,900.80x = 22,426.84 × 11,221.60
  4. Step 4: Simplify right side
    14,900.80x = 251,665,027.74
  5. Step 5: Solve for x
    x = 251,665,027.74/14,900.80
  6. Step 6: Final answer
    x = 16,889.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.