Home / 13,078.07-19,614.33-4,310.90

Finding the Fourth Proportional to 13,078.07, 19,614.33 and 4,310.90

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Solution

The fourth proportional to 13,078.07, 19,614.33 and 4,310.90 is: 6,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.07 : 19,614.33 = 4,310.90 : x
  2. Step 2: Convert to fraction form
    13,078.07/19,614.33 = 4,310.90/x
  3. Step 3: Cross multiply
    13,078.07x = 19,614.33 × 4,310.90
  4. Step 4: Simplify right side
    13,078.07x = 84,555,317.13
  5. Step 5: Solve for x
    x = 84,555,317.13/13,078.07
  6. Step 6: Final answer
    x = 6,465.43

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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.