Home / 18,539.12-27,808.44-4,499.25

Finding the Fourth Proportional to 18,539.12, 27,808.44 and 4,499.25

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Solution

The fourth proportional to 18,539.12, 27,808.44 and 4,499.25 is: 6,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.12 : 27,808.44 = 4,499.25 : x
  2. Step 2: Convert to fraction form
    18,539.12/27,808.44 = 4,499.25/x
  3. Step 3: Cross multiply
    18,539.12x = 27,808.44 × 4,499.25
  4. Step 4: Simplify right side
    18,539.12x = 125,117,123.67
  5. Step 5: Solve for x
    x = 125,117,123.67/18,539.12
  6. Step 6: Final answer
    x = 6,748.82

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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.