Home / 13,936-20,911.18-9,259.23

Finding the Fourth Proportional to 13,936, 20,911.18 and 9,259.23

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Solution

The fourth proportional to 13,936, 20,911.18 and 9,259.23 is: 13,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936 : 20,911.18 = 9,259.23 : x
  2. Step 2: Convert to fraction form
    13,936/20,911.18 = 9,259.23/x
  3. Step 3: Cross multiply
    13,936x = 20,911.18 × 9,259.23
  4. Step 4: Simplify right side
    13,936x = 193,621,425.19
  5. Step 5: Solve for x
    x = 193,621,425.19/13,936
  6. Step 6: Final answer
    x = 13,893.62

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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.