Home / 13,265.04-19,900.71-3,905.37

Finding the Fourth Proportional to 13,265.04, 19,900.71 and 3,905.37

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Solution

The fourth proportional to 13,265.04, 19,900.71 and 3,905.37 is: 5,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.04 : 19,900.71 = 3,905.37 : x
  2. Step 2: Convert to fraction form
    13,265.04/19,900.71 = 3,905.37/x
  3. Step 3: Cross multiply
    13,265.04x = 19,900.71 × 3,905.37
  4. Step 4: Simplify right side
    13,265.04x = 77,719,635.81
  5. Step 5: Solve for x
    x = 77,719,635.81/13,265.04
  6. Step 6: Final answer
    x = 5,858.98

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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.