Home / 11,618.20-17,427.30-3,297.40

Finding the Fourth Proportional to 11,618.20, 17,427.30 and 3,297.40

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Solution

The fourth proportional to 11,618.20, 17,427.30 and 3,297.40 is: 4,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.20 : 17,427.30 = 3,297.40 : x
  2. Step 2: Convert to fraction form
    11,618.20/17,427.30 = 3,297.40/x
  3. Step 3: Cross multiply
    11,618.20x = 17,427.30 × 3,297.40
  4. Step 4: Simplify right side
    11,618.20x = 57,464,779.02
  5. Step 5: Solve for x
    x = 57,464,779.02/11,618.20
  6. Step 6: Final answer
    x = 4,946.10

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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.