Home / 18,777.45-28,166.28-6,298.44

Finding the Fourth Proportional to 18,777.45, 28,166.28 and 6,298.44

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Solution

The fourth proportional to 18,777.45, 28,166.28 and 6,298.44 is: 9,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.45 : 28,166.28 = 6,298.44 : x
  2. Step 2: Convert to fraction form
    18,777.45/28,166.28 = 6,298.44/x
  3. Step 3: Cross multiply
    18,777.45x = 28,166.28 × 6,298.44
  4. Step 4: Simplify right side
    18,777.45x = 177,403,624.60
  5. Step 5: Solve for x
    x = 177,403,624.60/18,777.45
  6. Step 6: Final answer
    x = 9,447.70

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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.