Home / 11,405.88-17,106.30-3,612.60

Finding the Fourth Proportional to 11,405.88, 17,106.30 and 3,612.60

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Solution

The fourth proportional to 11,405.88, 17,106.30 and 3,612.60 is: 5,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.88 : 17,106.30 = 3,612.60 : x
  2. Step 2: Convert to fraction form
    11,405.88/17,106.30 = 3,612.60/x
  3. Step 3: Cross multiply
    11,405.88x = 17,106.30 × 3,612.60
  4. Step 4: Simplify right side
    11,405.88x = 61,798,219.38
  5. Step 5: Solve for x
    x = 61,798,219.38/11,405.88
  6. Step 6: Final answer
    x = 5,418.10

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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.