Home / 13,866.39-19,137.60-7,898.61

Finding the Fourth Proportional to 13,866.39, 19,137.60 and 7,898.61

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Solution

The fourth proportional to 13,866.39, 19,137.60 and 7,898.61 is: 10,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.39 : 19,137.60 = 7,898.61 : x
  2. Step 2: Convert to fraction form
    13,866.39/19,137.60 = 7,898.61/x
  3. Step 3: Cross multiply
    13,866.39x = 19,137.60 × 7,898.61
  4. Step 4: Simplify right side
    13,866.39x = 151,160,438.74
  5. Step 5: Solve for x
    x = 151,160,438.74/13,866.39
  6. Step 6: Final answer
    x = 10,901.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.