Home / 19,815.30-29,714.30-7,494.66

Finding the Fourth Proportional to 19,815.30, 29,714.30 and 7,494.66

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Solution

The fourth proportional to 19,815.30, 29,714.30 and 7,494.66 is: 11,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.30 : 29,714.30 = 7,494.66 : x
  2. Step 2: Convert to fraction form
    19,815.30/29,714.30 = 7,494.66/x
  3. Step 3: Cross multiply
    19,815.30x = 29,714.30 × 7,494.66
  4. Step 4: Simplify right side
    19,815.30x = 222,698,594.37
  5. Step 5: Solve for x
    x = 222,698,594.37/19,815.30
  6. Step 6: Final answer
    x = 11,238.72

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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.