Home / 14,389.68-21,584.76-4,001.28

Finding the Fourth Proportional to 14,389.68, 21,584.76 and 4,001.28

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Solution

The fourth proportional to 14,389.68, 21,584.76 and 4,001.28 is: 6,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.68 : 21,584.76 = 4,001.28 : x
  2. Step 2: Convert to fraction form
    14,389.68/21,584.76 = 4,001.28/x
  3. Step 3: Cross multiply
    14,389.68x = 21,584.76 × 4,001.28
  4. Step 4: Simplify right side
    14,389.68x = 86,366,668.49
  5. Step 5: Solve for x
    x = 86,366,668.49/14,389.68
  6. Step 6: Final answer
    x = 6,001.99

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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.