Home / 11,615.63-17,422.32-3,295.58

Finding the Fourth Proportional to 11,615.63, 17,422.32 and 3,295.58

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Solution

The fourth proportional to 11,615.63, 17,422.32 and 3,295.58 is: 4,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.63 : 17,422.32 = 3,295.58 : x
  2. Step 2: Convert to fraction form
    11,615.63/17,422.32 = 3,295.58/x
  3. Step 3: Cross multiply
    11,615.63x = 17,422.32 × 3,295.58
  4. Step 4: Simplify right side
    11,615.63x = 57,416,649.35
  5. Step 5: Solve for x
    x = 57,416,649.35/11,615.63
  6. Step 6: Final answer
    x = 4,943.05

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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.