Home / 9,213.72-13,818.64-3,368.40

Finding the Fourth Proportional to 9,213.72, 13,818.64 and 3,368.40

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Solution

The fourth proportional to 9,213.72, 13,818.64 and 3,368.40 is: 5,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.72 : 13,818.64 = 3,368.40 : x
  2. Step 2: Convert to fraction form
    9,213.72/13,818.64 = 3,368.40/x
  3. Step 3: Cross multiply
    9,213.72x = 13,818.64 × 3,368.40
  4. Step 4: Simplify right side
    9,213.72x = 46,546,706.98
  5. Step 5: Solve for x
    x = 46,546,706.98/9,213.72
  6. Step 6: Final answer
    x = 5,051.89

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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.