Home / 14,604.08-21,909.36-4,215

Finding the Fourth Proportional to 14,604.08, 21,909.36 and 4,215

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Solution

The fourth proportional to 14,604.08, 21,909.36 and 4,215 is: 6,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.08 : 21,909.36 = 4,215 : x
  2. Step 2: Convert to fraction form
    14,604.08/21,909.36 = 4,215/x
  3. Step 3: Cross multiply
    14,604.08x = 21,909.36 × 4,215
  4. Step 4: Simplify right side
    14,604.08x = 92,347,952.40
  5. Step 5: Solve for x
    x = 92,347,952.40/14,604.08
  6. Step 6: Final answer
    x = 6,323.44

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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.