Home / 14,276.63-21,414.94-3,888.38

Finding the Fourth Proportional to 14,276.63, 21,414.94 and 3,888.38

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Solution

The fourth proportional to 14,276.63, 21,414.94 and 3,888.38 is: 5,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.63 : 21,414.94 = 3,888.38 : x
  2. Step 2: Convert to fraction form
    14,276.63/21,414.94 = 3,888.38/x
  3. Step 3: Cross multiply
    14,276.63x = 21,414.94 × 3,888.38
  4. Step 4: Simplify right side
    14,276.63x = 83,269,307.60
  5. Step 5: Solve for x
    x = 83,269,307.60/14,276.63
  6. Step 6: Final answer
    x = 5,832.56

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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.