Home / 13,200.23-19,803.41-3,840.47

Finding the Fourth Proportional to 13,200.23, 19,803.41 and 3,840.47

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Solution

The fourth proportional to 13,200.23, 19,803.41 and 3,840.47 is: 5,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.23 : 19,803.41 = 3,840.47 : x
  2. Step 2: Convert to fraction form
    13,200.23/19,803.41 = 3,840.47/x
  3. Step 3: Cross multiply
    13,200.23x = 19,803.41 × 3,840.47
  4. Step 4: Simplify right side
    13,200.23x = 76,054,402.00
  5. Step 5: Solve for x
    x = 76,054,402.00/13,200.23
  6. Step 6: Final answer
    x = 5,761.60

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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.