Home / 18,770.37-28,099.46-11,352.39

Finding the Fourth Proportional to 18,770.37, 28,099.46 and 11,352.39

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Solution

The fourth proportional to 18,770.37, 28,099.46 and 11,352.39 is: 16,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.37 : 28,099.46 = 11,352.39 : x
  2. Step 2: Convert to fraction form
    18,770.37/28,099.46 = 11,352.39/x
  3. Step 3: Cross multiply
    18,770.37x = 28,099.46 × 11,352.39
  4. Step 4: Simplify right side
    18,770.37x = 318,996,028.71
  5. Step 5: Solve for x
    x = 318,996,028.71/18,770.37
  6. Step 6: Final answer
    x = 16,994.66

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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.