Home / 13,991.33-20,987.00-4,628.84

Finding the Fourth Proportional to 13,991.33, 20,987.00 and 4,628.84

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Solution

The fourth proportional to 13,991.33, 20,987.00 and 4,628.84 is: 6,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.33 : 20,987.00 = 4,628.84 : x
  2. Step 2: Convert to fraction form
    13,991.33/20,987.00 = 4,628.84/x
  3. Step 3: Cross multiply
    13,991.33x = 20,987.00 × 4,628.84
  4. Step 4: Simplify right side
    13,991.33x = 97,145,391.25
  5. Step 5: Solve for x
    x = 97,145,391.25/13,991.33
  6. Step 6: Final answer
    x = 6,943.26

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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.