Home / 19,359.20-29,029.19-6,209.87

Finding the Fourth Proportional to 19,359.20, 29,029.19 and 6,209.87

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Solution

The fourth proportional to 19,359.20, 29,029.19 and 6,209.87 is: 9,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.20 : 29,029.19 = 6,209.87 : x
  2. Step 2: Convert to fraction form
    19,359.20/29,029.19 = 6,209.87/x
  3. Step 3: Cross multiply
    19,359.20x = 29,029.19 × 6,209.87
  4. Step 4: Simplify right side
    19,359.20x = 180,267,319.91
  5. Step 5: Solve for x
    x = 180,267,319.91/19,359.20
  6. Step 6: Final answer
    x = 9,311.71

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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.