Home / 19,667.66-27,140.43-11,168.67

Finding the Fourth Proportional to 19,667.66, 27,140.43 and 11,168.67

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Solution

The fourth proportional to 19,667.66, 27,140.43 and 11,168.67 is: 15,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,667.66 : 27,140.43 = 11,168.67 : x
  2. Step 2: Convert to fraction form
    19,667.66/27,140.43 = 11,168.67/x
  3. Step 3: Cross multiply
    19,667.66x = 27,140.43 × 11,168.67
  4. Step 4: Simplify right side
    19,667.66x = 303,122,506.33
  5. Step 5: Solve for x
    x = 303,122,506.33/19,667.66
  6. Step 6: Final answer
    x = 15,412.23

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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.