Home / 15,634.36-21,546.97-12,349.81

Finding the Fourth Proportional to 15,634.36, 21,546.97 and 12,349.81

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Solution

The fourth proportional to 15,634.36, 21,546.97 and 12,349.81 is: 17,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.36 : 21,546.97 = 12,349.81 : x
  2. Step 2: Convert to fraction form
    15,634.36/21,546.97 = 12,349.81/x
  3. Step 3: Cross multiply
    15,634.36x = 21,546.97 × 12,349.81
  4. Step 4: Simplify right side
    15,634.36x = 266,100,985.58
  5. Step 5: Solve for x
    x = 266,100,985.58/15,634.36
  6. Step 6: Final answer
    x = 17,020.27

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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.