Home / 19,108.91-28,650.27-9,730.77

Finding the Fourth Proportional to 19,108.91, 28,650.27 and 9,730.77

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Solution

The fourth proportional to 19,108.91, 28,650.27 and 9,730.77 is: 14,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.91 : 28,650.27 = 9,730.77 : x
  2. Step 2: Convert to fraction form
    19,108.91/28,650.27 = 9,730.77/x
  3. Step 3: Cross multiply
    19,108.91x = 28,650.27 × 9,730.77
  4. Step 4: Simplify right side
    19,108.91x = 278,789,224.30
  5. Step 5: Solve for x
    x = 278,789,224.30/19,108.91
  6. Step 6: Final answer
    x = 14,589.49

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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.