Home / 18,648.29-25,725.95-11,090.39

Finding the Fourth Proportional to 18,648.29, 25,725.95 and 11,090.39

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Solution

The fourth proportional to 18,648.29, 25,725.95 and 11,090.39 is: 15,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.29 : 25,725.95 = 11,090.39 : x
  2. Step 2: Convert to fraction form
    18,648.29/25,725.95 = 11,090.39/x
  3. Step 3: Cross multiply
    18,648.29x = 25,725.95 × 11,090.39
  4. Step 4: Simplify right side
    18,648.29x = 285,310,738.51
  5. Step 5: Solve for x
    x = 285,310,738.51/18,648.29
  6. Step 6: Final answer
    x = 15,299.56

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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.