Home / 19,268.89-28,903.32-8,167.79

Finding the Fourth Proportional to 19,268.89, 28,903.32 and 8,167.79

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Solution

The fourth proportional to 19,268.89, 28,903.32 and 8,167.79 is: 12,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.89 : 28,903.32 = 8,167.79 : x
  2. Step 2: Convert to fraction form
    19,268.89/28,903.32 = 8,167.79/x
  3. Step 3: Cross multiply
    19,268.89x = 28,903.32 × 8,167.79
  4. Step 4: Simplify right side
    19,268.89x = 236,076,320.32
  5. Step 5: Solve for x
    x = 236,076,320.32/19,268.89
  6. Step 6: Final answer
    x = 12,251.68

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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.