Home / 14,184.60-21,268.80-4,322.40

Finding the Fourth Proportional to 14,184.60, 21,268.80 and 4,322.40

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Solution

The fourth proportional to 14,184.60, 21,268.80 and 4,322.40 is: 6,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.60 : 21,268.80 = 4,322.40 : x
  2. Step 2: Convert to fraction form
    14,184.60/21,268.80 = 4,322.40/x
  3. Step 3: Cross multiply
    14,184.60x = 21,268.80 × 4,322.40
  4. Step 4: Simplify right side
    14,184.60x = 91,932,261.12
  5. Step 5: Solve for x
    x = 91,932,261.12/14,184.60
  6. Step 6: Final answer
    x = 6,481.13

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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.