Home / 13,240.73-19,861.08-3,380.01

Finding the Fourth Proportional to 13,240.73, 19,861.08 and 3,380.01

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Solution

The fourth proportional to 13,240.73, 19,861.08 and 3,380.01 is: 5,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.73 : 19,861.08 = 3,380.01 : x
  2. Step 2: Convert to fraction form
    13,240.73/19,861.08 = 3,380.01/x
  3. Step 3: Cross multiply
    13,240.73x = 19,861.08 × 3,380.01
  4. Step 4: Simplify right side
    13,240.73x = 67,130,649.01
  5. Step 5: Solve for x
    x = 67,130,649.01/13,240.73
  6. Step 6: Final answer
    x = 5,070.01

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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.