Home / 11,709.66-17,567.73-4,690.20

Finding the Fourth Proportional to 11,709.66, 17,567.73 and 4,690.20

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Solution

The fourth proportional to 11,709.66, 17,567.73 and 4,690.20 is: 7,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.66 : 17,567.73 = 4,690.20 : x
  2. Step 2: Convert to fraction form
    11,709.66/17,567.73 = 4,690.20/x
  3. Step 3: Cross multiply
    11,709.66x = 17,567.73 × 4,690.20
  4. Step 4: Simplify right side
    11,709.66x = 82,396,167.25
  5. Step 5: Solve for x
    x = 82,396,167.25/11,709.66
  6. Step 6: Final answer
    x = 7,036.60

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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.