Home / 9,664.20-14,492.52-3,421.80

Finding the Fourth Proportional to 9,664.20, 14,492.52 and 3,421.80

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Solution

The fourth proportional to 9,664.20, 14,492.52 and 3,421.80 is: 5,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.20 : 14,492.52 = 3,421.80 : x
  2. Step 2: Convert to fraction form
    9,664.20/14,492.52 = 3,421.80/x
  3. Step 3: Cross multiply
    9,664.20x = 14,492.52 × 3,421.80
  4. Step 4: Simplify right side
    9,664.20x = 49,590,504.94
  5. Step 5: Solve for x
    x = 49,590,504.94/9,664.20
  6. Step 6: Final answer
    x = 5,131.36

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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.