Home / 13,869.96-20,804.12-4,009.02

Finding the Fourth Proportional to 13,869.96, 20,804.12 and 4,009.02

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Solution

The fourth proportional to 13,869.96, 20,804.12 and 4,009.02 is: 6,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.96 : 20,804.12 = 4,009.02 : x
  2. Step 2: Convert to fraction form
    13,869.96/20,804.12 = 4,009.02/x
  3. Step 3: Cross multiply
    13,869.96x = 20,804.12 × 4,009.02
  4. Step 4: Simplify right side
    13,869.96x = 83,404,133.16
  5. Step 5: Solve for x
    x = 83,404,133.16/13,869.96
  6. Step 6: Final answer
    x = 6,013.29

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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.