Home / 21,051.36-31,571.64-6,256.44

Finding the Fourth Proportional to 21,051.36, 31,571.64 and 6,256.44

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Solution

The fourth proportional to 21,051.36, 31,571.64 and 6,256.44 is: 9,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.36 : 31,571.64 = 6,256.44 : x
  2. Step 2: Convert to fraction form
    21,051.36/31,571.64 = 6,256.44/x
  3. Step 3: Cross multiply
    21,051.36x = 31,571.64 × 6,256.44
  4. Step 4: Simplify right side
    21,051.36x = 197,526,071.36
  5. Step 5: Solve for x
    x = 197,526,071.36/21,051.36
  6. Step 6: Final answer
    x = 9,383.06

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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.