Home / 14,364-21,546.72-13,606.56

Finding the Fourth Proportional to 14,364, 21,546.72 and 13,606.56

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Solution

The fourth proportional to 14,364, 21,546.72 and 13,606.56 is: 20,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364 : 21,546.72 = 13,606.56 : x
  2. Step 2: Convert to fraction form
    14,364/21,546.72 = 13,606.56/x
  3. Step 3: Cross multiply
    14,364x = 21,546.72 × 13,606.56
  4. Step 4: Simplify right side
    14,364x = 293,176,738.48
  5. Step 5: Solve for x
    x = 293,176,738.48/14,364
  6. Step 6: Final answer
    x = 20,410.52

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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.