Home / 18,789.56-28,163.04-14,598.44

Finding the Fourth Proportional to 18,789.56, 28,163.04 and 14,598.44

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Solution

The fourth proportional to 18,789.56, 28,163.04 and 14,598.44 is: 21,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.56 : 28,163.04 = 14,598.44 : x
  2. Step 2: Convert to fraction form
    18,789.56/28,163.04 = 14,598.44/x
  3. Step 3: Cross multiply
    18,789.56x = 28,163.04 × 14,598.44
  4. Step 4: Simplify right side
    18,789.56x = 411,136,449.66
  5. Step 5: Solve for x
    x = 411,136,449.66/18,789.56
  6. Step 6: Final answer
    x = 21,881.11

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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.