Home / 14,076.64-21,111.84-4,214.62

Finding the Fourth Proportional to 14,076.64, 21,111.84 and 4,214.62

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Solution

The fourth proportional to 14,076.64, 21,111.84 and 4,214.62 is: 6,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.64 : 21,111.84 = 4,214.62 : x
  2. Step 2: Convert to fraction form
    14,076.64/21,111.84 = 4,214.62/x
  3. Step 3: Cross multiply
    14,076.64x = 21,111.84 × 4,214.62
  4. Step 4: Simplify right side
    14,076.64x = 88,978,383.10
  5. Step 5: Solve for x
    x = 88,978,383.10/14,076.64
  6. Step 6: Final answer
    x = 6,321.00

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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.