Home / 19,146.79-28,720.19-5,999.16

Finding the Fourth Proportional to 19,146.79, 28,720.19 and 5,999.16

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Solution

The fourth proportional to 19,146.79, 28,720.19 and 5,999.16 is: 8,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.79 : 28,720.19 = 5,999.16 : x
  2. Step 2: Convert to fraction form
    19,146.79/28,720.19 = 5,999.16/x
  3. Step 3: Cross multiply
    19,146.79x = 28,720.19 × 5,999.16
  4. Step 4: Simplify right side
    19,146.79x = 172,297,015.04
  5. Step 5: Solve for x
    x = 172,297,015.04/19,146.79
  6. Step 6: Final answer
    x = 8,998.74

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Similar ratio
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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.