Home / 11,345.21-17,017.82-3,554.63

Finding the Fourth Proportional to 11,345.21, 17,017.82 and 3,554.63

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Solution

The fourth proportional to 11,345.21, 17,017.82 and 3,554.63 is: 5,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.21 : 17,017.82 = 3,554.63 : x
  2. Step 2: Convert to fraction form
    11,345.21/17,017.82 = 3,554.63/x
  3. Step 3: Cross multiply
    11,345.21x = 17,017.82 × 3,554.63
  4. Step 4: Simplify right side
    11,345.21x = 60,491,950.64
  5. Step 5: Solve for x
    x = 60,491,950.64/11,345.21
  6. Step 6: Final answer
    x = 5,331.94

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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.