Home / 19,078.74-28,614.87-5,224.50

Finding the Fourth Proportional to 19,078.74, 28,614.87 and 5,224.50

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Solution

The fourth proportional to 19,078.74, 28,614.87 and 5,224.50 is: 7,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.74 : 28,614.87 = 5,224.50 : x
  2. Step 2: Convert to fraction form
    19,078.74/28,614.87 = 5,224.50/x
  3. Step 3: Cross multiply
    19,078.74x = 28,614.87 × 5,224.50
  4. Step 4: Simplify right side
    19,078.74x = 149,498,388.32
  5. Step 5: Solve for x
    x = 149,498,388.32/19,078.74
  6. Step 6: Final answer
    x = 7,835.86

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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.