Home / 14,321.69-21,477.41-4,959.20

Finding the Fourth Proportional to 14,321.69, 21,477.41 and 4,959.20

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Solution

The fourth proportional to 14,321.69, 21,477.41 and 4,959.20 is: 7,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.69 : 21,477.41 = 4,959.20 : x
  2. Step 2: Convert to fraction form
    14,321.69/21,477.41 = 4,959.20/x
  3. Step 3: Cross multiply
    14,321.69x = 21,477.41 × 4,959.20
  4. Step 4: Simplify right side
    14,321.69x = 106,510,698.36
  5. Step 5: Solve for x
    x = 106,510,698.36/14,321.69
  6. Step 6: Final answer
    x = 7,437.02

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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.