Home / 13,008.12-19,513.80-4,240.02

Finding the Fourth Proportional to 13,008.12, 19,513.80 and 4,240.02

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Solution

The fourth proportional to 13,008.12, 19,513.80 and 4,240.02 is: 6,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.12 : 19,513.80 = 4,240.02 : x
  2. Step 2: Convert to fraction form
    13,008.12/19,513.80 = 4,240.02/x
  3. Step 3: Cross multiply
    13,008.12x = 19,513.80 × 4,240.02
  4. Step 4: Simplify right side
    13,008.12x = 82,738,902.28
  5. Step 5: Solve for x
    x = 82,738,902.28/13,008.12
  6. Step 6: Final answer
    x = 6,360.56

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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.