Home / 14,477.56-21,719.09-4,987.36

Finding the Fourth Proportional to 14,477.56, 21,719.09 and 4,987.36

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Solution

The fourth proportional to 14,477.56, 21,719.09 and 4,987.36 is: 7,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.56 : 21,719.09 = 4,987.36 : x
  2. Step 2: Convert to fraction form
    14,477.56/21,719.09 = 4,987.36/x
  3. Step 3: Cross multiply
    14,477.56x = 21,719.09 × 4,987.36
  4. Step 4: Simplify right side
    14,477.56x = 108,320,920.70
  5. Step 5: Solve for x
    x = 108,320,920.70/14,477.56
  6. Step 6: Final answer
    x = 7,481.99

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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.