Home / 22,798.08-31,464.48-13,369.68

Finding the Fourth Proportional to 22,798.08, 31,464.48 and 13,369.68

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Solution

The fourth proportional to 22,798.08, 31,464.48 and 13,369.68 is: 18,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.08 : 31,464.48 = 13,369.68 : x
  2. Step 2: Convert to fraction form
    22,798.08/31,464.48 = 13,369.68/x
  3. Step 3: Cross multiply
    22,798.08x = 31,464.48 × 13,369.68
  4. Step 4: Simplify right side
    22,798.08x = 420,670,028.97
  5. Step 5: Solve for x
    x = 420,670,028.97/22,798.08
  6. Step 6: Final answer
    x = 18,451.99

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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.