Home / 21,233.37-31,850.13-6,442.41

Finding the Fourth Proportional to 21,233.37, 31,850.13 and 6,442.41

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Solution

The fourth proportional to 21,233.37, 31,850.13 and 6,442.41 is: 9,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.37 : 31,850.13 = 6,442.41 : x
  2. Step 2: Convert to fraction form
    21,233.37/31,850.13 = 6,442.41/x
  3. Step 3: Cross multiply
    21,233.37x = 31,850.13 × 6,442.41
  4. Step 4: Simplify right side
    21,233.37x = 205,191,596.01
  5. Step 5: Solve for x
    x = 205,191,596.01/21,233.37
  6. Step 6: Final answer
    x = 9,663.64

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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.