Home / 12,093.20-18,139.80-6,563.60

Finding the Fourth Proportional to 12,093.20, 18,139.80 and 6,563.60

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Solution

The fourth proportional to 12,093.20, 18,139.80 and 6,563.60 is: 9,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.20 : 18,139.80 = 6,563.60 : x
  2. Step 2: Convert to fraction form
    12,093.20/18,139.80 = 6,563.60/x
  3. Step 3: Cross multiply
    12,093.20x = 18,139.80 × 6,563.60
  4. Step 4: Simplify right side
    12,093.20x = 119,062,391.28
  5. Step 5: Solve for x
    x = 119,062,391.28/12,093.20
  6. Step 6: Final answer
    x = 9,845.40

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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.