Home / 9,418.46-12,999.18-6,433.19

Finding the Fourth Proportional to 9,418.46, 12,999.18 and 6,433.19

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Solution

The fourth proportional to 9,418.46, 12,999.18 and 6,433.19 is: 8,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.46 : 12,999.18 = 6,433.19 : x
  2. Step 2: Convert to fraction form
    9,418.46/12,999.18 = 6,433.19/x
  3. Step 3: Cross multiply
    9,418.46x = 12,999.18 × 6,433.19
  4. Step 4: Simplify right side
    9,418.46x = 83,626,194.78
  5. Step 5: Solve for x
    x = 83,626,194.78/9,418.46
  6. Step 6: Final answer
    x = 8,878.97

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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.