Home / 13,803.21-20,686.32-5,029.83

Finding the Fourth Proportional to 13,803.21, 20,686.32 and 5,029.83

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Solution

The fourth proportional to 13,803.21, 20,686.32 and 5,029.83 is: 7,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.21 : 20,686.32 = 5,029.83 : x
  2. Step 2: Convert to fraction form
    13,803.21/20,686.32 = 5,029.83/x
  3. Step 3: Cross multiply
    13,803.21x = 20,686.32 × 5,029.83
  4. Step 4: Simplify right side
    13,803.21x = 104,048,672.93
  5. Step 5: Solve for x
    x = 104,048,672.93/13,803.21
  6. Step 6: Final answer
    x = 7,538.01

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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.