Home / 15,782.91-23,682.66-6,429.84

Finding the Fourth Proportional to 15,782.91, 23,682.66 and 6,429.84

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Solution

The fourth proportional to 15,782.91, 23,682.66 and 6,429.84 is: 9,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.91 : 23,682.66 = 6,429.84 : x
  2. Step 2: Convert to fraction form
    15,782.91/23,682.66 = 6,429.84/x
  3. Step 3: Cross multiply
    15,782.91x = 23,682.66 × 6,429.84
  4. Step 4: Simplify right side
    15,782.91x = 152,275,714.57
  5. Step 5: Solve for x
    x = 152,275,714.57/15,782.91
  6. Step 6: Final answer
    x = 9,648.14

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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.