Home / 14,214.42-21,321.77-5,447.25

Finding the Fourth Proportional to 14,214.42, 21,321.77 and 5,447.25

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Solution

The fourth proportional to 14,214.42, 21,321.77 and 5,447.25 is: 8,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.42 : 21,321.77 = 5,447.25 : x
  2. Step 2: Convert to fraction form
    14,214.42/21,321.77 = 5,447.25/x
  3. Step 3: Cross multiply
    14,214.42x = 21,321.77 × 5,447.25
  4. Step 4: Simplify right side
    14,214.42x = 116,144,984.40
  5. Step 5: Solve for x
    x = 116,144,984.40/14,214.42
  6. Step 6: Final answer
    x = 8,170.93

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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.