Home / 10,745.07-16,112.43-8,399.13

Finding the Fourth Proportional to 10,745.07, 16,112.43 and 8,399.13

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Solution

The fourth proportional to 10,745.07, 16,112.43 and 8,399.13 is: 12,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.07 : 16,112.43 = 8,399.13 : x
  2. Step 2: Convert to fraction form
    10,745.07/16,112.43 = 8,399.13/x
  3. Step 3: Cross multiply
    10,745.07x = 16,112.43 × 8,399.13
  4. Step 4: Simplify right side
    10,745.07x = 135,330,394.19
  5. Step 5: Solve for x
    x = 135,330,394.19/10,745.07
  6. Step 6: Final answer
    x = 12,594.65

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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.