Home / 8,999.26-12,418.94-5,020.37

Finding the Fourth Proportional to 8,999.26, 12,418.94 and 5,020.37

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Solution

The fourth proportional to 8,999.26, 12,418.94 and 5,020.37 is: 6,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.26 : 12,418.94 = 5,020.37 : x
  2. Step 2: Convert to fraction form
    8,999.26/12,418.94 = 5,020.37/x
  3. Step 3: Cross multiply
    8,999.26x = 12,418.94 × 5,020.37
  4. Step 4: Simplify right side
    8,999.26x = 62,347,611.71
  5. Step 5: Solve for x
    x = 62,347,611.71/8,999.26
  6. Step 6: Final answer
    x = 6,928.08

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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.