Home / 19,238.76-28,858.32-6,091.20

Finding the Fourth Proportional to 19,238.76, 28,858.32 and 6,091.20

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Solution

The fourth proportional to 19,238.76, 28,858.32 and 6,091.20 is: 9,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.76 : 28,858.32 = 6,091.20 : x
  2. Step 2: Convert to fraction form
    19,238.76/28,858.32 = 6,091.20/x
  3. Step 3: Cross multiply
    19,238.76x = 28,858.32 × 6,091.20
  4. Step 4: Simplify right side
    19,238.76x = 175,781,798.78
  5. Step 5: Solve for x
    x = 175,781,798.78/19,238.76
  6. Step 6: Final answer
    x = 9,136.86

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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.