Home / 14,214.51-21,324.84-5,449.43

Finding the Fourth Proportional to 14,214.51, 21,324.84 and 5,449.43

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Solution

The fourth proportional to 14,214.51, 21,324.84 and 5,449.43 is: 8,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.51 : 21,324.84 = 5,449.43 : x
  2. Step 2: Convert to fraction form
    14,214.51/21,324.84 = 5,449.43/x
  3. Step 3: Cross multiply
    14,214.51x = 21,324.84 × 5,449.43
  4. Step 4: Simplify right side
    14,214.51x = 116,208,222.84
  5. Step 5: Solve for x
    x = 116,208,222.84/14,214.51
  6. Step 6: Final answer
    x = 8,175.32

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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.