Home / 14,400.86-19,872.84-8,352.18

Finding the Fourth Proportional to 14,400.86, 19,872.84 and 8,352.18

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Solution

The fourth proportional to 14,400.86, 19,872.84 and 8,352.18 is: 11,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.86 : 19,872.84 = 8,352.18 : x
  2. Step 2: Convert to fraction form
    14,400.86/19,872.84 = 8,352.18/x
  3. Step 3: Cross multiply
    14,400.86x = 19,872.84 × 8,352.18
  4. Step 4: Simplify right side
    14,400.86x = 165,981,536.79
  5. Step 5: Solve for x
    x = 165,981,536.79/14,400.86
  6. Step 6: Final answer
    x = 11,525.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.