Home / 13,897.62-20,851.56-6,504.48

Finding the Fourth Proportional to 13,897.62, 20,851.56 and 6,504.48

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Solution

The fourth proportional to 13,897.62, 20,851.56 and 6,504.48 is: 9,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.62 : 20,851.56 = 6,504.48 : x
  2. Step 2: Convert to fraction form
    13,897.62/20,851.56 = 6,504.48/x
  3. Step 3: Cross multiply
    13,897.62x = 20,851.56 × 6,504.48
  4. Step 4: Simplify right side
    13,897.62x = 135,628,554.99
  5. Step 5: Solve for x
    x = 135,628,554.99/13,897.62
  6. Step 6: Final answer
    x = 9,759.12

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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.