Home / 13,870.21-20,804.50-4,009.27

Finding the Fourth Proportional to 13,870.21, 20,804.50 and 4,009.27

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Solution

The fourth proportional to 13,870.21, 20,804.50 and 4,009.27 is: 6,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.21 : 20,804.50 = 4,009.27 : x
  2. Step 2: Convert to fraction form
    13,870.21/20,804.50 = 4,009.27/x
  3. Step 3: Cross multiply
    13,870.21x = 20,804.50 × 4,009.27
  4. Step 4: Simplify right side
    13,870.21x = 83,410,733.65
  5. Step 5: Solve for x
    x = 83,410,733.65/13,870.21
  6. Step 6: Final answer
    x = 6,013.66

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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.