Home / 20,955.54-31,437.72-6,163.22

Finding the Fourth Proportional to 20,955.54, 31,437.72 and 6,163.22

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Solution

The fourth proportional to 20,955.54, 31,437.72 and 6,163.22 is: 9,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955.54 : 31,437.72 = 6,163.22 : x
  2. Step 2: Convert to fraction form
    20,955.54/31,437.72 = 6,163.22/x
  3. Step 3: Cross multiply
    20,955.54x = 31,437.72 × 6,163.22
  4. Step 4: Simplify right side
    20,955.54x = 193,757,640.14
  5. Step 5: Solve for x
    x = 193,757,640.14/20,955.54
  6. Step 6: Final answer
    x = 9,246.13

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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.