Home / 14,268.07-21,408.22-5,509.13

Finding the Fourth Proportional to 14,268.07, 21,408.22 and 5,509.13

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Solution

The fourth proportional to 14,268.07, 21,408.22 and 5,509.13 is: 8,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.07 : 21,408.22 = 5,509.13 : x
  2. Step 2: Convert to fraction form
    14,268.07/21,408.22 = 5,509.13/x
  3. Step 3: Cross multiply
    14,268.07x = 21,408.22 × 5,509.13
  4. Step 4: Simplify right side
    14,268.07x = 117,940,667.05
  5. Step 5: Solve for x
    x = 117,940,667.05/14,268.07
  6. Step 6: Final answer
    x = 8,266.06

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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.