Home / 13,364.46-18,442.44-7,396.02

Finding the Fourth Proportional to 13,364.46, 18,442.44 and 7,396.02

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Solution

The fourth proportional to 13,364.46, 18,442.44 and 7,396.02 is: 10,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.46 : 18,442.44 = 7,396.02 : x
  2. Step 2: Convert to fraction form
    13,364.46/18,442.44 = 7,396.02/x
  3. Step 3: Cross multiply
    13,364.46x = 18,442.44 × 7,396.02
  4. Step 4: Simplify right side
    13,364.46x = 136,400,655.09
  5. Step 5: Solve for x
    x = 136,400,655.09/13,364.46
  6. Step 6: Final answer
    x = 10,206.22

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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.