Home / 14,157.46-21,231.33-5,394.88

Finding the Fourth Proportional to 14,157.46, 21,231.33 and 5,394.88

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Solution

The fourth proportional to 14,157.46, 21,231.33 and 5,394.88 is: 8,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.46 : 21,231.33 = 5,394.88 : x
  2. Step 2: Convert to fraction form
    14,157.46/21,231.33 = 5,394.88/x
  3. Step 3: Cross multiply
    14,157.46x = 21,231.33 × 5,394.88
  4. Step 4: Simplify right side
    14,157.46x = 114,540,477.59
  5. Step 5: Solve for x
    x = 114,540,477.59/14,157.46
  6. Step 6: Final answer
    x = 8,090.47

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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.