Home / 18,850.33-28,265.83-9,970.46

Finding the Fourth Proportional to 18,850.33, 28,265.83 and 9,970.46

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Solution

The fourth proportional to 18,850.33, 28,265.83 and 9,970.46 is: 14,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.33 : 28,265.83 = 9,970.46 : x
  2. Step 2: Convert to fraction form
    18,850.33/28,265.83 = 9,970.46/x
  3. Step 3: Cross multiply
    18,850.33x = 28,265.83 × 9,970.46
  4. Step 4: Simplify right side
    18,850.33x = 281,823,267.12
  5. Step 5: Solve for x
    x = 281,823,267.12/18,850.33
  6. Step 6: Final answer
    x = 14,950.57

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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.