Home / 13,009.37-19,512.12-4,243.28

Finding the Fourth Proportional to 13,009.37, 19,512.12 and 4,243.28

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Solution

The fourth proportional to 13,009.37, 19,512.12 and 4,243.28 is: 6,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.37 : 19,512.12 = 4,243.28 : x
  2. Step 2: Convert to fraction form
    13,009.37/19,512.12 = 4,243.28/x
  3. Step 3: Cross multiply
    13,009.37x = 19,512.12 × 4,243.28
  4. Step 4: Simplify right side
    13,009.37x = 82,795,388.55
  5. Step 5: Solve for x
    x = 82,795,388.55/13,009.37
  6. Step 6: Final answer
    x = 6,364.29

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1.5x scale

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.