Home / 11,421.84-17,131.36-3,101.34

Finding the Fourth Proportional to 11,421.84, 17,131.36 and 3,101.34

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Solution

The fourth proportional to 11,421.84, 17,131.36 and 3,101.34 is: 4,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.84 : 17,131.36 = 3,101.34 : x
  2. Step 2: Convert to fraction form
    11,421.84/17,131.36 = 3,101.34/x
  3. Step 3: Cross multiply
    11,421.84x = 17,131.36 × 3,101.34
  4. Step 4: Simplify right side
    11,421.84x = 53,130,172.02
  5. Step 5: Solve for x
    x = 53,130,172.02/11,421.84
  6. Step 6: Final answer
    x = 4,651.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.