Home / 17,119.49-23,655.06-13,174.67

Finding the Fourth Proportional to 17,119.49, 23,655.06 and 13,174.67

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Solution

The fourth proportional to 17,119.49, 23,655.06 and 13,174.67 is: 18,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.49 : 23,655.06 = 13,174.67 : x
  2. Step 2: Convert to fraction form
    17,119.49/23,655.06 = 13,174.67/x
  3. Step 3: Cross multiply
    17,119.49x = 23,655.06 × 13,174.67
  4. Step 4: Simplify right side
    17,119.49x = 311,647,668.47
  5. Step 5: Solve for x
    x = 311,647,668.47/17,119.49
  6. Step 6: Final answer
    x = 18,204.27

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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.