Home / 14,519.64-20,048.40-11,157.12

Finding the Fourth Proportional to 14,519.64, 20,048.40 and 11,157.12

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Solution

The fourth proportional to 14,519.64, 20,048.40 and 11,157.12 is: 15,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.64 : 20,048.40 = 11,157.12 : x
  2. Step 2: Convert to fraction form
    14,519.64/20,048.40 = 11,157.12/x
  3. Step 3: Cross multiply
    14,519.64x = 20,048.40 × 11,157.12
  4. Step 4: Simplify right side
    14,519.64x = 223,682,404.61
  5. Step 5: Solve for x
    x = 223,682,404.61/14,519.64
  6. Step 6: Final answer
    x = 15,405.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.