Home / 21,232.83-31,845.66-6,438.22

Finding the Fourth Proportional to 21,232.83, 31,845.66 and 6,438.22

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Solution

The fourth proportional to 21,232.83, 31,845.66 and 6,438.22 is: 9,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.83 : 31,845.66 = 6,438.22 : x
  2. Step 2: Convert to fraction form
    21,232.83/31,845.66 = 6,438.22/x
  3. Step 3: Cross multiply
    21,232.83x = 31,845.66 × 6,438.22
  4. Step 4: Simplify right side
    21,232.83x = 205,029,261.37
  5. Step 5: Solve for x
    x = 205,029,261.37/21,232.83
  6. Step 6: Final answer
    x = 9,656.24

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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.