Home / 13,554.09-20,323.04-5,227.20

Finding the Fourth Proportional to 13,554.09, 20,323.04 and 5,227.20

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Solution

The fourth proportional to 13,554.09, 20,323.04 and 5,227.20 is: 7,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.09 : 20,323.04 = 5,227.20 : x
  2. Step 2: Convert to fraction form
    13,554.09/20,323.04 = 5,227.20/x
  3. Step 3: Cross multiply
    13,554.09x = 20,323.04 × 5,227.20
  4. Step 4: Simplify right side
    13,554.09x = 106,232,568.55
  5. Step 5: Solve for x
    x = 106,232,568.55/13,554.09
  6. Step 6: Final answer
    x = 7,837.68

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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.