Home / 13,969.28-20,967.09-5,093.19

Finding the Fourth Proportional to 13,969.28, 20,967.09 and 5,093.19

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Solution

The fourth proportional to 13,969.28, 20,967.09 and 5,093.19 is: 7,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.28 : 20,967.09 = 5,093.19 : x
  2. Step 2: Convert to fraction form
    13,969.28/20,967.09 = 5,093.19/x
  3. Step 3: Cross multiply
    13,969.28x = 20,967.09 × 5,093.19
  4. Step 4: Simplify right side
    13,969.28x = 106,789,354.02
  5. Step 5: Solve for x
    x = 106,789,354.02/13,969.28
  6. Step 6: Final answer
    x = 7,644.58

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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.