Home / 14,440.41-21,658.95-3,909.80

Finding the Fourth Proportional to 14,440.41, 21,658.95 and 3,909.80

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Solution

The fourth proportional to 14,440.41, 21,658.95 and 3,909.80 is: 5,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.41 : 21,658.95 = 3,909.80 : x
  2. Step 2: Convert to fraction form
    14,440.41/21,658.95 = 3,909.80/x
  3. Step 3: Cross multiply
    14,440.41x = 21,658.95 × 3,909.80
  4. Step 4: Simplify right side
    14,440.41x = 84,682,216.86
  5. Step 5: Solve for x
    x = 84,682,216.86/14,440.41
  6. Step 6: Final answer
    x = 5,864.25

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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.