Home / 14,654.01-20,221.72-8,281.33

Finding the Fourth Proportional to 14,654.01, 20,221.72 and 8,281.33

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Solution

The fourth proportional to 14,654.01, 20,221.72 and 8,281.33 is: 11,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.01 : 20,221.72 = 8,281.33 : x
  2. Step 2: Convert to fraction form
    14,654.01/20,221.72 = 8,281.33/x
  3. Step 3: Cross multiply
    14,654.01x = 20,221.72 × 8,281.33
  4. Step 4: Simplify right side
    14,654.01x = 167,462,736.49
  5. Step 5: Solve for x
    x = 167,462,736.49/14,654.01
  6. Step 6: Final answer
    x = 11,427.78

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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.