Home / 13,271.02-19,906.80-3,410.35

Finding the Fourth Proportional to 13,271.02, 19,906.80 and 3,410.35

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Solution

The fourth proportional to 13,271.02, 19,906.80 and 3,410.35 is: 5,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.02 : 19,906.80 = 3,410.35 : x
  2. Step 2: Convert to fraction form
    13,271.02/19,906.80 = 3,410.35/x
  3. Step 3: Cross multiply
    13,271.02x = 19,906.80 × 3,410.35
  4. Step 4: Simplify right side
    13,271.02x = 67,889,155.38
  5. Step 5: Solve for x
    x = 67,889,155.38/13,271.02
  6. Step 6: Final answer
    x = 5,115.59

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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.