Home / 18,766.11-28,161.98-10,007.18

Finding the Fourth Proportional to 18,766.11, 28,161.98 and 10,007.18

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Solution

The fourth proportional to 18,766.11, 28,161.98 and 10,007.18 is: 15,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.11 : 28,161.98 = 10,007.18 : x
  2. Step 2: Convert to fraction form
    18,766.11/28,161.98 = 10,007.18/x
  3. Step 3: Cross multiply
    18,766.11x = 28,161.98 × 10,007.18
  4. Step 4: Simplify right side
    18,766.11x = 281,821,955.30
  5. Step 5: Solve for x
    x = 281,821,955.30/18,766.11
  6. Step 6: Final answer
    x = 15,017.60

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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.