Home / 18,677.06-28,017.52-10,788.44

Finding the Fourth Proportional to 18,677.06, 28,017.52 and 10,788.44

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Solution

The fourth proportional to 18,677.06, 28,017.52 and 10,788.44 is: 16,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.06 : 28,017.52 = 10,788.44 : x
  2. Step 2: Convert to fraction form
    18,677.06/28,017.52 = 10,788.44/x
  3. Step 3: Cross multiply
    18,677.06x = 28,017.52 × 10,788.44
  4. Step 4: Simplify right side
    18,677.06x = 302,265,354.35
  5. Step 5: Solve for x
    x = 302,265,354.35/18,677.06
  6. Step 6: Final answer
    x = 16,183.78

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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.