Home / 17,106.36-23,617.56-13,119.80

Finding the Fourth Proportional to 17,106.36, 23,617.56 and 13,119.80

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Solution

The fourth proportional to 17,106.36, 23,617.56 and 13,119.80 is: 18,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.36 : 23,617.56 = 13,119.80 : x
  2. Step 2: Convert to fraction form
    17,106.36/23,617.56 = 13,119.80/x
  3. Step 3: Cross multiply
    17,106.36x = 23,617.56 × 13,119.80
  4. Step 4: Simplify right side
    17,106.36x = 309,857,663.69
  5. Step 5: Solve for x
    x = 309,857,663.69/17,106.36
  6. Step 6: Final answer
    x = 18,113.59

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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.