Home / 14,318.93-19,755.65-8,268.39

Finding the Fourth Proportional to 14,318.93, 19,755.65 and 8,268.39

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Solution

The fourth proportional to 14,318.93, 19,755.65 and 8,268.39 is: 11,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.93 : 19,755.65 = 8,268.39 : x
  2. Step 2: Convert to fraction form
    14,318.93/19,755.65 = 8,268.39/x
  3. Step 3: Cross multiply
    14,318.93x = 19,755.65 × 8,268.39
  4. Step 4: Simplify right side
    14,318.93x = 163,347,377.56
  5. Step 5: Solve for x
    x = 163,347,377.56/14,318.93
  6. Step 6: Final answer
    x = 11,407.80

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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.