Home / 18,540.09-25,577.98-10,983.60

Finding the Fourth Proportional to 18,540.09, 25,577.98 and 10,983.60

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Solution

The fourth proportional to 18,540.09, 25,577.98 and 10,983.60 is: 15,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.09 : 25,577.98 = 10,983.60 : x
  2. Step 2: Convert to fraction form
    18,540.09/25,577.98 = 10,983.60/x
  3. Step 3: Cross multiply
    18,540.09x = 25,577.98 × 10,983.60
  4. Step 4: Simplify right side
    18,540.09x = 280,938,273.67
  5. Step 5: Solve for x
    x = 280,938,273.67/18,540.09
  6. Step 6: Final answer
    x = 15,153.02

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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.