Home / 14,268.35-21,410.12-5,389.74

Finding the Fourth Proportional to 14,268.35, 21,410.12 and 5,389.74

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Solution

The fourth proportional to 14,268.35, 21,410.12 and 5,389.74 is: 8,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.35 : 21,410.12 = 5,389.74 : x
  2. Step 2: Convert to fraction form
    14,268.35/21,410.12 = 5,389.74/x
  3. Step 3: Cross multiply
    14,268.35x = 21,410.12 × 5,389.74
  4. Step 4: Simplify right side
    14,268.35x = 115,394,993.64
  5. Step 5: Solve for x
    x = 115,394,993.64/14,268.35
  6. Step 6: Final answer
    x = 8,087.48

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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.