Home / 18,539.14-27,808.47-4,499.28

Finding the Fourth Proportional to 18,539.14, 27,808.47 and 4,499.28

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Solution

The fourth proportional to 18,539.14, 27,808.47 and 4,499.28 is: 6,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.14 : 27,808.47 = 4,499.28 : x
  2. Step 2: Convert to fraction form
    18,539.14/27,808.47 = 4,499.28/x
  3. Step 3: Cross multiply
    18,539.14x = 27,808.47 × 4,499.28
  4. Step 4: Simplify right side
    18,539.14x = 125,118,092.90
  5. Step 5: Solve for x
    x = 125,118,092.90/18,539.14
  6. Step 6: Final answer
    x = 6,748.86

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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.