Home / 9,369.79-14,056.37-3,129.19

Finding the Fourth Proportional to 9,369.79, 14,056.37 and 3,129.19

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Solution

The fourth proportional to 9,369.79, 14,056.37 and 3,129.19 is: 4,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.79 : 14,056.37 = 3,129.19 : x
  2. Step 2: Convert to fraction form
    9,369.79/14,056.37 = 3,129.19/x
  3. Step 3: Cross multiply
    9,369.79x = 14,056.37 × 3,129.19
  4. Step 4: Simplify right side
    9,369.79x = 43,985,052.44
  5. Step 5: Solve for x
    x = 43,985,052.44/9,369.79
  6. Step 6: Final answer
    x = 4,694.35

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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.