Home / 8,999.44-12,419.19-5,020.31

Finding the Fourth Proportional to 8,999.44, 12,419.19 and 5,020.31

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Solution

The fourth proportional to 8,999.44, 12,419.19 and 5,020.31 is: 6,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.44 : 12,419.19 = 5,020.31 : x
  2. Step 2: Convert to fraction form
    8,999.44/12,419.19 = 5,020.31/x
  3. Step 3: Cross multiply
    8,999.44x = 12,419.19 × 5,020.31
  4. Step 4: Simplify right side
    8,999.44x = 62,348,214.80
  5. Step 5: Solve for x
    x = 62,348,214.80/8,999.44
  6. Step 6: Final answer
    x = 6,928.01

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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.