Home / 13,909.01-20,866.75-4,049.33

Finding the Fourth Proportional to 13,909.01, 20,866.75 and 4,049.33

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Solution

The fourth proportional to 13,909.01, 20,866.75 and 4,049.33 is: 6,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.01 : 20,866.75 = 4,049.33 : x
  2. Step 2: Convert to fraction form
    13,909.01/20,866.75 = 4,049.33/x
  3. Step 3: Cross multiply
    13,909.01x = 20,866.75 × 4,049.33
  4. Step 4: Simplify right side
    13,909.01x = 84,496,242.32
  5. Step 5: Solve for x
    x = 84,496,242.32/13,909.01
  6. Step 6: Final answer
    x = 6,074.93

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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.