Home / 13,968.55-20,953.09-5,201.72

Finding the Fourth Proportional to 13,968.55, 20,953.09 and 5,201.72

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Solution

The fourth proportional to 13,968.55, 20,953.09 and 5,201.72 is: 7,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.55 : 20,953.09 = 5,201.72 : x
  2. Step 2: Convert to fraction form
    13,968.55/20,953.09 = 5,201.72/x
  3. Step 3: Cross multiply
    13,968.55x = 20,953.09 × 5,201.72
  4. Step 4: Simplify right side
    13,968.55x = 108,992,002.55
  5. Step 5: Solve for x
    x = 108,992,002.55/13,968.55
  6. Step 6: Final answer
    x = 7,802.67

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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.