Home / 17,190.60-23,727.78-10,120.20

Finding the Fourth Proportional to 17,190.60, 23,727.78 and 10,120.20

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Solution

The fourth proportional to 17,190.60, 23,727.78 and 10,120.20 is: 13,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.60 : 23,727.78 = 10,120.20 : x
  2. Step 2: Convert to fraction form
    17,190.60/23,727.78 = 10,120.20/x
  3. Step 3: Cross multiply
    17,190.60x = 23,727.78 × 10,120.20
  4. Step 4: Simplify right side
    17,190.60x = 240,129,879.16
  5. Step 5: Solve for x
    x = 240,129,879.16/17,190.60
  6. Step 6: Final answer
    x = 13,968.67

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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.