Home / 13,330.07-18,392.97-8,025.28

Finding the Fourth Proportional to 13,330.07, 18,392.97 and 8,025.28

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Solution

The fourth proportional to 13,330.07, 18,392.97 and 8,025.28 is: 11,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.07 : 18,392.97 = 8,025.28 : x
  2. Step 2: Convert to fraction form
    13,330.07/18,392.97 = 8,025.28/x
  3. Step 3: Cross multiply
    13,330.07x = 18,392.97 × 8,025.28
  4. Step 4: Simplify right side
    13,330.07x = 147,608,718.39
  5. Step 5: Solve for x
    x = 147,608,718.39/13,330.07
  6. Step 6: Final answer
    x = 11,073.37

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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.