Home / 20,624.88-28,460.16-11,670.96

Finding the Fourth Proportional to 20,624.88, 28,460.16 and 11,670.96

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Solution

The fourth proportional to 20,624.88, 28,460.16 and 11,670.96 is: 16,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.88 : 28,460.16 = 11,670.96 : x
  2. Step 2: Convert to fraction form
    20,624.88/28,460.16 = 11,670.96/x
  3. Step 3: Cross multiply
    20,624.88x = 28,460.16 × 11,670.96
  4. Step 4: Simplify right side
    20,624.88x = 332,157,388.95
  5. Step 5: Solve for x
    x = 332,157,388.95/20,624.88
  6. Step 6: Final answer
    x = 16,104.69

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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.