Home / 18,410.36-25,405.09-10,856.33

Finding the Fourth Proportional to 18,410.36, 25,405.09 and 10,856.33

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Solution

The fourth proportional to 18,410.36, 25,405.09 and 10,856.33 is: 14,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.36 : 25,405.09 = 10,856.33 : x
  2. Step 2: Convert to fraction form
    18,410.36/25,405.09 = 10,856.33/x
  3. Step 3: Cross multiply
    18,410.36x = 25,405.09 × 10,856.33
  4. Step 4: Simplify right side
    18,410.36x = 275,806,040.72
  5. Step 5: Solve for x
    x = 275,806,040.72/18,410.36
  6. Step 6: Final answer
    x = 14,981.02

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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.