Home / 13,528.24-20,296.24-7,986.64

Finding the Fourth Proportional to 13,528.24, 20,296.24 and 7,986.64

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Solution

The fourth proportional to 13,528.24, 20,296.24 and 7,986.64 is: 11,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.24 : 20,296.24 = 7,986.64 : x
  2. Step 2: Convert to fraction form
    13,528.24/20,296.24 = 7,986.64/x
  3. Step 3: Cross multiply
    13,528.24x = 20,296.24 × 7,986.64
  4. Step 4: Simplify right side
    13,528.24x = 162,098,762.23
  5. Step 5: Solve for x
    x = 162,098,762.23/13,528.24
  6. Step 6: Final answer
    x = 11,982.25

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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.