Home / 14,216.72-21,329.79-4,356.09

Finding the Fourth Proportional to 14,216.72, 21,329.79 and 4,356.09

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Solution

The fourth proportional to 14,216.72, 21,329.79 and 4,356.09 is: 6,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.72 : 21,329.79 = 4,356.09 : x
  2. Step 2: Convert to fraction form
    14,216.72/21,329.79 = 4,356.09/x
  3. Step 3: Cross multiply
    14,216.72x = 21,329.79 × 4,356.09
  4. Step 4: Simplify right side
    14,216.72x = 92,914,484.92
  5. Step 5: Solve for x
    x = 92,914,484.92/14,216.72
  6. Step 6: Final answer
    x = 6,535.58

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1.5x scale

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.