Home / 18,293.27-25,231.64-11,908.10

Finding the Fourth Proportional to 18,293.27, 25,231.64 and 11,908.10

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Solution

The fourth proportional to 18,293.27, 25,231.64 and 11,908.10 is: 16,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.27 : 25,231.64 = 11,908.10 : x
  2. Step 2: Convert to fraction form
    18,293.27/25,231.64 = 11,908.10/x
  3. Step 3: Cross multiply
    18,293.27x = 25,231.64 × 11,908.10
  4. Step 4: Simplify right side
    18,293.27x = 300,460,895.82
  5. Step 5: Solve for x
    x = 300,460,895.82/18,293.27
  6. Step 6: Final answer
    x = 16,424.67

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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.