Home / 19,514.12-29,287.58-8,429.27

Finding the Fourth Proportional to 19,514.12, 29,287.58 and 8,429.27

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Solution

The fourth proportional to 19,514.12, 29,287.58 and 8,429.27 is: 12,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.12 : 29,287.58 = 8,429.27 : x
  2. Step 2: Convert to fraction form
    19,514.12/29,287.58 = 8,429.27/x
  3. Step 3: Cross multiply
    19,514.12x = 29,287.58 × 8,429.27
  4. Step 4: Simplify right side
    19,514.12x = 246,872,730.88
  5. Step 5: Solve for x
    x = 246,872,730.88/19,514.12
  6. Step 6: Final answer
    x = 12,650.98

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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.