Home / 9,311.27-13,971.45-4,381.40

Finding the Fourth Proportional to 9,311.27, 13,971.45 and 4,381.40

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Solution

The fourth proportional to 9,311.27, 13,971.45 and 4,381.40 is: 6,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.27 : 13,971.45 = 4,381.40 : x
  2. Step 2: Convert to fraction form
    9,311.27/13,971.45 = 4,381.40/x
  3. Step 3: Cross multiply
    9,311.27x = 13,971.45 × 4,381.40
  4. Step 4: Simplify right side
    9,311.27x = 61,214,511.03
  5. Step 5: Solve for x
    x = 61,214,511.03/9,311.27
  6. Step 6: Final answer
    x = 6,574.24

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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.