Home / 19,290.75-26,621.24-10,908.87

Finding the Fourth Proportional to 19,290.75, 26,621.24 and 10,908.87

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Solution

The fourth proportional to 19,290.75, 26,621.24 and 10,908.87 is: 15,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.75 : 26,621.24 = 10,908.87 : x
  2. Step 2: Convert to fraction form
    19,290.75/26,621.24 = 10,908.87/x
  3. Step 3: Cross multiply
    19,290.75x = 26,621.24 × 10,908.87
  4. Step 4: Simplify right side
    19,290.75x = 290,407,591.85
  5. Step 5: Solve for x
    x = 290,407,591.85/19,290.75
  6. Step 6: Final answer
    x = 15,054.24

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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.