Home / 14,392-21,588.72-13,634.56

Finding the Fourth Proportional to 14,392, 21,588.72 and 13,634.56

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Solution

The fourth proportional to 14,392, 21,588.72 and 13,634.56 is: 20,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392 : 21,588.72 = 13,634.56 : x
  2. Step 2: Convert to fraction form
    14,392/21,588.72 = 13,634.56/x
  3. Step 3: Cross multiply
    14,392x = 21,588.72 × 13,634.56
  4. Step 4: Simplify right side
    14,392x = 294,352,698.16
  5. Step 5: Solve for x
    x = 294,352,698.16/14,392
  6. Step 6: Final answer
    x = 20,452.52

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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.