Home / 18,850.03-28,278.14-6,370.81

Finding the Fourth Proportional to 18,850.03, 28,278.14 and 6,370.81

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Solution

The fourth proportional to 18,850.03, 28,278.14 and 6,370.81 is: 9,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.03 : 28,278.14 = 6,370.81 : x
  2. Step 2: Convert to fraction form
    18,850.03/28,278.14 = 6,370.81/x
  3. Step 3: Cross multiply
    18,850.03x = 28,278.14 × 6,370.81
  4. Step 4: Simplify right side
    18,850.03x = 180,154,657.09
  5. Step 5: Solve for x
    x = 180,154,657.09/18,850.03
  6. Step 6: Final answer
    x = 9,557.26

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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.