Home / 12,399.68-18,586.08-4,608.32

Finding the Fourth Proportional to 12,399.68, 18,586.08 and 4,608.32

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Solution

The fourth proportional to 12,399.68, 18,586.08 and 4,608.32 is: 6,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.68 : 18,586.08 = 4,608.32 : x
  2. Step 2: Convert to fraction form
    12,399.68/18,586.08 = 4,608.32/x
  3. Step 3: Cross multiply
    12,399.68x = 18,586.08 × 4,608.32
  4. Step 4: Simplify right side
    12,399.68x = 85,650,604.19
  5. Step 5: Solve for x
    x = 85,650,604.19/12,399.68
  6. Step 6: Final answer
    x = 6,907.49

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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.