Home / 18,738.63-25,847.99-12,362.95

Finding the Fourth Proportional to 18,738.63, 25,847.99 and 12,362.95

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Solution

The fourth proportional to 18,738.63, 25,847.99 and 12,362.95 is: 17,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.63 : 25,847.99 = 12,362.95 : x
  2. Step 2: Convert to fraction form
    18,738.63/25,847.99 = 12,362.95/x
  3. Step 3: Cross multiply
    18,738.63x = 25,847.99 × 12,362.95
  4. Step 4: Simplify right side
    18,738.63x = 319,557,407.97
  5. Step 5: Solve for x
    x = 319,557,407.97/18,738.63
  6. Step 6: Final answer
    x = 17,053.40

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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.