Home / 13,632.39-20,448.77-4,867.83

Finding the Fourth Proportional to 13,632.39, 20,448.77 and 4,867.83

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Solution

The fourth proportional to 13,632.39, 20,448.77 and 4,867.83 is: 7,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.39 : 20,448.77 = 4,867.83 : x
  2. Step 2: Convert to fraction form
    13,632.39/20,448.77 = 4,867.83/x
  3. Step 3: Cross multiply
    13,632.39x = 20,448.77 × 4,867.83
  4. Step 4: Simplify right side
    13,632.39x = 99,541,111.73
  5. Step 5: Solve for x
    x = 99,541,111.73/13,632.39
  6. Step 6: Final answer
    x = 7,301.81

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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.