Home / 13,559.82-20,339.75-3,699.10

Finding the Fourth Proportional to 13,559.82, 20,339.75 and 3,699.10

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Solution

The fourth proportional to 13,559.82, 20,339.75 and 3,699.10 is: 5,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.82 : 20,339.75 = 3,699.10 : x
  2. Step 2: Convert to fraction form
    13,559.82/20,339.75 = 3,699.10/x
  3. Step 3: Cross multiply
    13,559.82x = 20,339.75 × 3,699.10
  4. Step 4: Simplify right side
    13,559.82x = 75,238,769.23
  5. Step 5: Solve for x
    x = 75,238,769.23/13,559.82
  6. Step 6: Final answer
    x = 5,548.66

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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.