Home / 18,699.48-28,044.42-5,548.76

Finding the Fourth Proportional to 18,699.48, 28,044.42 and 5,548.76

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Solution

The fourth proportional to 18,699.48, 28,044.42 and 5,548.76 is: 8,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.48 : 28,044.42 = 5,548.76 : x
  2. Step 2: Convert to fraction form
    18,699.48/28,044.42 = 5,548.76/x
  3. Step 3: Cross multiply
    18,699.48x = 28,044.42 × 5,548.76
  4. Step 4: Simplify right side
    18,699.48x = 155,611,755.92
  5. Step 5: Solve for x
    x = 155,611,755.92/18,699.48
  6. Step 6: Final answer
    x = 8,321.72

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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.