Home / 14,262.89-21,392.51-6,469.88

Finding the Fourth Proportional to 14,262.89, 21,392.51 and 6,469.88

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Solution

The fourth proportional to 14,262.89, 21,392.51 and 6,469.88 is: 9,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.89 : 21,392.51 = 6,469.88 : x
  2. Step 2: Convert to fraction form
    14,262.89/21,392.51 = 6,469.88/x
  3. Step 3: Cross multiply
    14,262.89x = 21,392.51 × 6,469.88
  4. Step 4: Simplify right side
    14,262.89x = 138,406,833.29
  5. Step 5: Solve for x
    x = 138,406,833.29/14,262.89
  6. Step 6: Final answer
    x = 9,703.99

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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.