Home / 19,349.20-29,029.20-9,488.80

Finding the Fourth Proportional to 19,349.20, 29,029.20 and 9,488.80

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Solution

The fourth proportional to 19,349.20, 29,029.20 and 9,488.80 is: 14,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.20 : 29,029.20 = 9,488.80 : x
  2. Step 2: Convert to fraction form
    19,349.20/29,029.20 = 9,488.80/x
  3. Step 3: Cross multiply
    19,349.20x = 29,029.20 × 9,488.80
  4. Step 4: Simplify right side
    19,349.20x = 275,452,272.96
  5. Step 5: Solve for x
    x = 275,452,272.96/19,349.20
  6. Step 6: Final answer
    x = 14,235.85

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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.