Home / 14,238.05-19,644.21-8,268.57

Finding the Fourth Proportional to 14,238.05, 19,644.21 and 8,268.57

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Solution

The fourth proportional to 14,238.05, 19,644.21 and 8,268.57 is: 11,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.05 : 19,644.21 = 8,268.57 : x
  2. Step 2: Convert to fraction form
    14,238.05/19,644.21 = 8,268.57/x
  3. Step 3: Cross multiply
    14,238.05x = 19,644.21 × 8,268.57
  4. Step 4: Simplify right side
    14,238.05x = 162,429,538.55
  5. Step 5: Solve for x
    x = 162,429,538.55/14,238.05
  6. Step 6: Final answer
    x = 11,408.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.