Home / 18,259.76-27,403.49-12,322.60

Finding the Fourth Proportional to 18,259.76, 27,403.49 and 12,322.60

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Solution

The fourth proportional to 18,259.76, 27,403.49 and 12,322.60 is: 18,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.76 : 27,403.49 = 12,322.60 : x
  2. Step 2: Convert to fraction form
    18,259.76/27,403.49 = 12,322.60/x
  3. Step 3: Cross multiply
    18,259.76x = 27,403.49 × 12,322.60
  4. Step 4: Simplify right side
    18,259.76x = 337,682,208.17
  5. Step 5: Solve for x
    x = 337,682,208.17/18,259.76
  6. Step 6: Final answer
    x = 18,493.24

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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.