Home / 18,259.95-27,403.77-12,322.79

Finding the Fourth Proportional to 18,259.95, 27,403.77 and 12,322.79

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Solution

The fourth proportional to 18,259.95, 27,403.77 and 12,322.79 is: 18,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.95 : 27,403.77 = 12,322.79 : x
  2. Step 2: Convert to fraction form
    18,259.95/27,403.77 = 12,322.79/x
  3. Step 3: Cross multiply
    18,259.95x = 27,403.77 × 12,322.79
  4. Step 4: Simplify right side
    18,259.95x = 337,690,765.90
  5. Step 5: Solve for x
    x = 337,690,765.90/18,259.95
  6. Step 6: Final answer
    x = 18,493.52

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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.