Home / 13,899.51-20,849.40-3,511.26

Finding the Fourth Proportional to 13,899.51, 20,849.40 and 3,511.26

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Solution

The fourth proportional to 13,899.51, 20,849.40 and 3,511.26 is: 5,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.51 : 20,849.40 = 3,511.26 : x
  2. Step 2: Convert to fraction form
    13,899.51/20,849.40 = 3,511.26/x
  3. Step 3: Cross multiply
    13,899.51x = 20,849.40 × 3,511.26
  4. Step 4: Simplify right side
    13,899.51x = 73,207,664.24
  5. Step 5: Solve for x
    x = 73,207,664.24/13,899.51
  6. Step 6: Final answer
    x = 5,266.92

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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.