Home / 14,239.79-19,647.86-8,268.37

Finding the Fourth Proportional to 14,239.79, 19,647.86 and 8,268.37

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Solution

The fourth proportional to 14,239.79, 19,647.86 and 8,268.37 is: 11,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.79 : 19,647.86 = 8,268.37 : x
  2. Step 2: Convert to fraction form
    14,239.79/19,647.86 = 8,268.37/x
  3. Step 3: Cross multiply
    14,239.79x = 19,647.86 × 8,268.37
  4. Step 4: Simplify right side
    14,239.79x = 162,455,776.19
  5. Step 5: Solve for x
    x = 162,455,776.19/14,239.79
  6. Step 6: Final answer
    x = 11,408.58

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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.