Home / 20,936.08-31,394.73-6,146.15

Finding the Fourth Proportional to 20,936.08, 31,394.73 and 6,146.15

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Solution

The fourth proportional to 20,936.08, 31,394.73 and 6,146.15 is: 9,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936.08 : 31,394.73 = 6,146.15 : x
  2. Step 2: Convert to fraction form
    20,936.08/31,394.73 = 6,146.15/x
  3. Step 3: Cross multiply
    20,936.08x = 31,394.73 × 6,146.15
  4. Step 4: Simplify right side
    20,936.08x = 192,956,807.54
  5. Step 5: Solve for x
    x = 192,956,807.54/20,936.08
  6. Step 6: Final answer
    x = 9,216.47

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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.