Home / 13,021.66-19,524.96-11,464.79

Finding the Fourth Proportional to 13,021.66, 19,524.96 and 11,464.79

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Solution

The fourth proportional to 13,021.66, 19,524.96 and 11,464.79 is: 17,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.66 : 19,524.96 = 11,464.79 : x
  2. Step 2: Convert to fraction form
    13,021.66/19,524.96 = 11,464.79/x
  3. Step 3: Cross multiply
    13,021.66x = 19,524.96 × 11,464.79
  4. Step 4: Simplify right side
    13,021.66x = 223,849,468.53
  5. Step 5: Solve for x
    x = 223,849,468.53/13,021.66
  6. Step 6: Final answer
    x = 17,190.55

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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.