Home / 20,974.08-31,460.40-6,182.40

Finding the Fourth Proportional to 20,974.08, 31,460.40 and 6,182.40

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Solution

The fourth proportional to 20,974.08, 31,460.40 and 6,182.40 is: 9,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974.08 : 31,460.40 = 6,182.40 : x
  2. Step 2: Convert to fraction form
    20,974.08/31,460.40 = 6,182.40/x
  3. Step 3: Cross multiply
    20,974.08x = 31,460.40 × 6,182.40
  4. Step 4: Simplify right side
    20,974.08x = 194,500,776.96
  5. Step 5: Solve for x
    x = 194,500,776.96/20,974.08
  6. Step 6: Final answer
    x = 9,273.39

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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.