Home / 13,807.35-19,054.94-8,145.41

Finding the Fourth Proportional to 13,807.35, 19,054.94 and 8,145.41

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Solution

The fourth proportional to 13,807.35, 19,054.94 and 8,145.41 is: 11,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.35 : 19,054.94 = 8,145.41 : x
  2. Step 2: Convert to fraction form
    13,807.35/19,054.94 = 8,145.41/x
  3. Step 3: Cross multiply
    13,807.35x = 19,054.94 × 8,145.41
  4. Step 4: Simplify right side
    13,807.35x = 155,210,162.82
  5. Step 5: Solve for x
    x = 155,210,162.82/13,807.35
  6. Step 6: Final answer
    x = 11,241.13

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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.