Home / 19,000.83-28,501.24-5,149.83

Finding the Fourth Proportional to 19,000.83, 28,501.24 and 5,149.83

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Solution

The fourth proportional to 19,000.83, 28,501.24 and 5,149.83 is: 7,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.83 : 28,501.24 = 5,149.83 : x
  2. Step 2: Convert to fraction form
    19,000.83/28,501.24 = 5,149.83/x
  3. Step 3: Cross multiply
    19,000.83x = 28,501.24 × 5,149.83
  4. Step 4: Simplify right side
    19,000.83x = 146,776,540.79
  5. Step 5: Solve for x
    x = 146,776,540.79/19,000.83
  6. Step 6: Final answer
    x = 7,724.74

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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.