Home / 14,177.36-21,268.56-5,409.92

Finding the Fourth Proportional to 14,177.36, 21,268.56 and 5,409.92

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Solution

The fourth proportional to 14,177.36, 21,268.56 and 5,409.92 is: 8,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.36 : 21,268.56 = 5,409.92 : x
  2. Step 2: Convert to fraction form
    14,177.36/21,268.56 = 5,409.92/x
  3. Step 3: Cross multiply
    14,177.36x = 21,268.56 × 5,409.92
  4. Step 4: Simplify right side
    14,177.36x = 115,061,208.12
  5. Step 5: Solve for x
    x = 115,061,208.12/14,177.36
  6. Step 6: Final answer
    x = 8,115.84

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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.