Home / 13,870.05-20,806.17-4,009.44

Finding the Fourth Proportional to 13,870.05, 20,806.17 and 4,009.44

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Solution

The fourth proportional to 13,870.05, 20,806.17 and 4,009.44 is: 6,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.05 : 20,806.17 = 4,009.44 : x
  2. Step 2: Convert to fraction form
    13,870.05/20,806.17 = 4,009.44/x
  3. Step 3: Cross multiply
    13,870.05x = 20,806.17 × 4,009.44
  4. Step 4: Simplify right side
    13,870.05x = 83,421,090.24
  5. Step 5: Solve for x
    x = 83,421,090.24/13,870.05
  6. Step 6: Final answer
    x = 6,014.48

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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.