Home / 18,751.14-28,119.83-5,599.04

Finding the Fourth Proportional to 18,751.14, 28,119.83 and 5,599.04

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Solution

The fourth proportional to 18,751.14, 28,119.83 and 5,599.04 is: 8,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.14 : 28,119.83 = 5,599.04 : x
  2. Step 2: Convert to fraction form
    18,751.14/28,119.83 = 5,599.04/x
  3. Step 3: Cross multiply
    18,751.14x = 28,119.83 × 5,599.04
  4. Step 4: Simplify right side
    18,751.14x = 157,443,884.37
  5. Step 5: Solve for x
    x = 157,443,884.37/18,751.14
  6. Step 6: Final answer
    x = 8,396.50

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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.