Home / 19,071.08-28,624.92-7,974.80

Finding the Fourth Proportional to 19,071.08, 28,624.92 and 7,974.80

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Solution

The fourth proportional to 19,071.08, 28,624.92 and 7,974.80 is: 11,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.08 : 28,624.92 = 7,974.80 : x
  2. Step 2: Convert to fraction form
    19,071.08/28,624.92 = 7,974.80/x
  3. Step 3: Cross multiply
    19,071.08x = 28,624.92 × 7,974.80
  4. Step 4: Simplify right side
    19,071.08x = 228,278,012.02
  5. Step 5: Solve for x
    x = 228,278,012.02/19,071.08
  6. Step 6: Final answer
    x = 11,969.85

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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.