Home / 17,090.42-23,570.04-11,119.90

Finding the Fourth Proportional to 17,090.42, 23,570.04 and 11,119.90

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Solution

The fourth proportional to 17,090.42, 23,570.04 and 11,119.90 is: 15,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.42 : 23,570.04 = 11,119.90 : x
  2. Step 2: Convert to fraction form
    17,090.42/23,570.04 = 11,119.90/x
  3. Step 3: Cross multiply
    17,090.42x = 23,570.04 × 11,119.90
  4. Step 4: Simplify right side
    17,090.42x = 262,096,487.80
  5. Step 5: Solve for x
    x = 262,096,487.80/17,090.42
  6. Step 6: Final answer
    x = 15,335.87

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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.