Home / 18,976.37-26,188.41-10,478.46

Finding the Fourth Proportional to 18,976.37, 26,188.41 and 10,478.46

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Solution

The fourth proportional to 18,976.37, 26,188.41 and 10,478.46 is: 14,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.37 : 26,188.41 = 10,478.46 : x
  2. Step 2: Convert to fraction form
    18,976.37/26,188.41 = 10,478.46/x
  3. Step 3: Cross multiply
    18,976.37x = 26,188.41 × 10,478.46
  4. Step 4: Simplify right side
    18,976.37x = 274,414,180.45
  5. Step 5: Solve for x
    x = 274,414,180.45/18,976.37
  6. Step 6: Final answer
    x = 14,460.84

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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.