Home / 14,221.03-21,330.73-4,359.55

Finding the Fourth Proportional to 14,221.03, 21,330.73 and 4,359.55

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Solution

The fourth proportional to 14,221.03, 21,330.73 and 4,359.55 is: 6,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.03 : 21,330.73 = 4,359.55 : x
  2. Step 2: Convert to fraction form
    14,221.03/21,330.73 = 4,359.55/x
  3. Step 3: Cross multiply
    14,221.03x = 21,330.73 × 4,359.55
  4. Step 4: Simplify right side
    14,221.03x = 92,992,383.97
  5. Step 5: Solve for x
    x = 92,992,383.97/14,221.03
  6. Step 6: Final answer
    x = 6,539.08

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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.