Home / 19,077.36-28,613.16-8,545.20

Finding the Fourth Proportional to 19,077.36, 28,613.16 and 8,545.20

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Solution

The fourth proportional to 19,077.36, 28,613.16 and 8,545.20 is: 12,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.36 : 28,613.16 = 8,545.20 : x
  2. Step 2: Convert to fraction form
    19,077.36/28,613.16 = 8,545.20/x
  3. Step 3: Cross multiply
    19,077.36x = 28,613.16 × 8,545.20
  4. Step 4: Simplify right side
    19,077.36x = 244,505,174.83
  5. Step 5: Solve for x
    x = 244,505,174.83/19,077.36
  6. Step 6: Final answer
    x = 12,816.51

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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.