Home / 12,184.08-18,270.36-5,608.32

Finding the Fourth Proportional to 12,184.08, 18,270.36 and 5,608.32

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Solution

The fourth proportional to 12,184.08, 18,270.36 and 5,608.32 is: 8,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.08 : 18,270.36 = 5,608.32 : x
  2. Step 2: Convert to fraction form
    12,184.08/18,270.36 = 5,608.32/x
  3. Step 3: Cross multiply
    12,184.08x = 18,270.36 × 5,608.32
  4. Step 4: Simplify right side
    12,184.08x = 102,466,025.40
  5. Step 5: Solve for x
    x = 102,466,025.40/12,184.08
  6. Step 6: Final answer
    x = 8,409.83

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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.