Home / 20,959.52-31,435.80-6,166.72

Finding the Fourth Proportional to 20,959.52, 31,435.80 and 6,166.72

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Solution

The fourth proportional to 20,959.52, 31,435.80 and 6,166.72 is: 9,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959.52 : 31,435.80 = 6,166.72 : x
  2. Step 2: Convert to fraction form
    20,959.52/31,435.80 = 6,166.72/x
  3. Step 3: Cross multiply
    20,959.52x = 31,435.80 × 6,166.72
  4. Step 4: Simplify right side
    20,959.52x = 193,855,776.58
  5. Step 5: Solve for x
    x = 193,855,776.58/20,959.52
  6. Step 6: Final answer
    x = 9,249.06

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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.