Home / 13,046.51-19,532.48-12,218.87

Finding the Fourth Proportional to 13,046.51, 19,532.48 and 12,218.87

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Solution

The fourth proportional to 13,046.51, 19,532.48 and 12,218.87 is: 18,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.51 : 19,532.48 = 12,218.87 : x
  2. Step 2: Convert to fraction form
    13,046.51/19,532.48 = 12,218.87/x
  3. Step 3: Cross multiply
    13,046.51x = 19,532.48 × 12,218.87
  4. Step 4: Simplify right side
    13,046.51x = 238,664,675.14
  5. Step 5: Solve for x
    x = 238,664,675.14/13,046.51
  6. Step 6: Final answer
    x = 18,293.38

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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.