Home / 19,000.92-28,501.38-5,149.56

Finding the Fourth Proportional to 19,000.92, 28,501.38 and 5,149.56

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Solution

The fourth proportional to 19,000.92, 28,501.38 and 5,149.56 is: 7,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.92 : 28,501.38 = 5,149.56 : x
  2. Step 2: Convert to fraction form
    19,000.92/28,501.38 = 5,149.56/x
  3. Step 3: Cross multiply
    19,000.92x = 28,501.38 × 5,149.56
  4. Step 4: Simplify right side
    19,000.92x = 146,769,566.39
  5. Step 5: Solve for x
    x = 146,769,566.39/19,000.92
  6. Step 6: Final answer
    x = 7,724.34

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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.