Home / 13,903.56-20,853.54-3,514.68

Finding the Fourth Proportional to 13,903.56, 20,853.54 and 3,514.68

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Solution

The fourth proportional to 13,903.56, 20,853.54 and 3,514.68 is: 5,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.56 : 20,853.54 = 3,514.68 : x
  2. Step 2: Convert to fraction form
    13,903.56/20,853.54 = 3,514.68/x
  3. Step 3: Cross multiply
    13,903.56x = 20,853.54 × 3,514.68
  4. Step 4: Simplify right side
    13,903.56x = 73,293,519.97
  5. Step 5: Solve for x
    x = 73,293,519.97/13,903.56
  6. Step 6: Final answer
    x = 5,271.56

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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.