Home / 14,239.64-19,647.70-8,268.23

Finding the Fourth Proportional to 14,239.64, 19,647.70 and 8,268.23

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Solution

The fourth proportional to 14,239.64, 19,647.70 and 8,268.23 is: 11,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.64 : 19,647.70 = 8,268.23 : x
  2. Step 2: Convert to fraction form
    14,239.64/19,647.70 = 8,268.23/x
  3. Step 3: Cross multiply
    14,239.64x = 19,647.70 × 8,268.23
  4. Step 4: Simplify right side
    14,239.64x = 162,451,702.57
  5. Step 5: Solve for x
    x = 162,451,702.57/14,239.64
  6. Step 6: Final answer
    x = 11,408.41

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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.