Home / 13,614.03-18,785.66-7,645.68

Finding the Fourth Proportional to 13,614.03, 18,785.66 and 7,645.68

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Solution

The fourth proportional to 13,614.03, 18,785.66 and 7,645.68 is: 10,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.03 : 18,785.66 = 7,645.68 : x
  2. Step 2: Convert to fraction form
    13,614.03/18,785.66 = 7,645.68/x
  3. Step 3: Cross multiply
    13,614.03x = 18,785.66 × 7,645.68
  4. Step 4: Simplify right side
    13,614.03x = 143,629,106.72
  5. Step 5: Solve for x
    x = 143,629,106.72/13,614.03
  6. Step 6: Final answer
    x = 10,550.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.