Home / 19,268.15-28,898.57-6,120.63

Finding the Fourth Proportional to 19,268.15, 28,898.57 and 6,120.63

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Solution

The fourth proportional to 19,268.15, 28,898.57 and 6,120.63 is: 9,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.15 : 28,898.57 = 6,120.63 : x
  2. Step 2: Convert to fraction form
    19,268.15/28,898.57 = 6,120.63/x
  3. Step 3: Cross multiply
    19,268.15x = 28,898.57 × 6,120.63
  4. Step 4: Simplify right side
    19,268.15x = 176,877,469.80
  5. Step 5: Solve for x
    x = 176,877,469.80/19,268.15
  6. Step 6: Final answer
    x = 9,179.79

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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.