Home / 13,783.88-19,021.78-7,496.26

Finding the Fourth Proportional to 13,783.88, 19,021.78 and 7,496.26

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Solution

The fourth proportional to 13,783.88, 19,021.78 and 7,496.26 is: 10,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.88 : 19,021.78 = 7,496.26 : x
  2. Step 2: Convert to fraction form
    13,783.88/19,021.78 = 7,496.26/x
  3. Step 3: Cross multiply
    13,783.88x = 19,021.78 × 7,496.26
  4. Step 4: Simplify right side
    13,783.88x = 142,592,208.54
  5. Step 5: Solve for x
    x = 142,592,208.54/13,783.88
  6. Step 6: Final answer
    x = 10,344.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.