Home / 13,786.07-19,019.27-9,004.39

Finding the Fourth Proportional to 13,786.07, 19,019.27 and 9,004.39

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Solution

The fourth proportional to 13,786.07, 19,019.27 and 9,004.39 is: 12,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.07 : 19,019.27 = 9,004.39 : x
  2. Step 2: Convert to fraction form
    13,786.07/19,019.27 = 9,004.39/x
  3. Step 3: Cross multiply
    13,786.07x = 19,019.27 × 9,004.39
  4. Step 4: Simplify right side
    13,786.07x = 171,256,924.60
  5. Step 5: Solve for x
    x = 171,256,924.60/13,786.07
  6. Step 6: Final answer
    x = 12,422.46

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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.