Home / 19,187.97-28,785.60-6,711.54

Finding the Fourth Proportional to 19,187.97, 28,785.60 and 6,711.54

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Solution

The fourth proportional to 19,187.97, 28,785.60 and 6,711.54 is: 10,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.97 : 28,785.60 = 6,711.54 : x
  2. Step 2: Convert to fraction form
    19,187.97/28,785.60 = 6,711.54/x
  3. Step 3: Cross multiply
    19,187.97x = 28,785.60 × 6,711.54
  4. Step 4: Simplify right side
    19,187.97x = 193,195,705.82
  5. Step 5: Solve for x
    x = 193,195,705.82/19,187.97
  6. Step 6: Final answer
    x = 10,068.58

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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.