Home / 18,976.14-26,186.94-10,478.79

Finding the Fourth Proportional to 18,976.14, 26,186.94 and 10,478.79

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Solution

The fourth proportional to 18,976.14, 26,186.94 and 10,478.79 is: 14,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.14 : 26,186.94 = 10,478.79 : x
  2. Step 2: Convert to fraction form
    18,976.14/26,186.94 = 10,478.79/x
  3. Step 3: Cross multiply
    18,976.14x = 26,186.94 × 10,478.79
  4. Step 4: Simplify right side
    18,976.14x = 274,407,445.00
  5. Step 5: Solve for x
    x = 274,407,445.00/18,976.14
  6. Step 6: Final answer
    x = 14,460.66

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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.