Home / 19,249.13-28,868.68-8,150.10

Finding the Fourth Proportional to 19,249.13, 28,868.68 and 8,150.10

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Solution

The fourth proportional to 19,249.13, 28,868.68 and 8,150.10 is: 12,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.13 : 28,868.68 = 8,150.10 : x
  2. Step 2: Convert to fraction form
    19,249.13/28,868.68 = 8,150.10/x
  3. Step 3: Cross multiply
    19,249.13x = 28,868.68 × 8,150.10
  4. Step 4: Simplify right side
    19,249.13x = 235,282,647.34
  5. Step 5: Solve for x
    x = 235,282,647.34/19,249.13
  6. Step 6: Final answer
    x = 12,223.03

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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.