Home / 13,751.28-20,615.99-5,954.63

Finding the Fourth Proportional to 13,751.28, 20,615.99 and 5,954.63

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Solution

The fourth proportional to 13,751.28, 20,615.99 and 5,954.63 is: 8,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.28 : 20,615.99 = 5,954.63 : x
  2. Step 2: Convert to fraction form
    13,751.28/20,615.99 = 5,954.63/x
  3. Step 3: Cross multiply
    13,751.28x = 20,615.99 × 5,954.63
  4. Step 4: Simplify right side
    13,751.28x = 122,760,459.68
  5. Step 5: Solve for x
    x = 122,760,459.68/13,751.28
  6. Step 6: Final answer
    x = 8,927.20

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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.