Home / 13,524.94-18,664.31-7,392.63

Finding the Fourth Proportional to 13,524.94, 18,664.31 and 7,392.63

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Solution

The fourth proportional to 13,524.94, 18,664.31 and 7,392.63 is: 10,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.94 : 18,664.31 = 7,392.63 : x
  2. Step 2: Convert to fraction form
    13,524.94/18,664.31 = 7,392.63/x
  3. Step 3: Cross multiply
    13,524.94x = 18,664.31 × 7,392.63
  4. Step 4: Simplify right side
    13,524.94x = 137,978,301.07
  5. Step 5: Solve for x
    x = 137,978,301.07/13,524.94
  6. Step 6: Final answer
    x = 10,201.77

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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.