Home / 11,351.61-17,028.21-3,031.59

Finding the Fourth Proportional to 11,351.61, 17,028.21 and 3,031.59

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Solution

The fourth proportional to 11,351.61, 17,028.21 and 3,031.59 is: 4,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.61 : 17,028.21 = 3,031.59 : x
  2. Step 2: Convert to fraction form
    11,351.61/17,028.21 = 3,031.59/x
  3. Step 3: Cross multiply
    11,351.61x = 17,028.21 × 3,031.59
  4. Step 4: Simplify right side
    11,351.61x = 51,622,551.15
  5. Step 5: Solve for x
    x = 51,622,551.15/11,351.61
  6. Step 6: Final answer
    x = 4,547.60

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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.