Home / 21,273.86-29,358.54-11,714.73

Finding the Fourth Proportional to 21,273.86, 29,358.54 and 11,714.73

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Solution

The fourth proportional to 21,273.86, 29,358.54 and 11,714.73 is: 16,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.86 : 29,358.54 = 11,714.73 : x
  2. Step 2: Convert to fraction form
    21,273.86/29,358.54 = 11,714.73/x
  3. Step 3: Cross multiply
    21,273.86x = 29,358.54 × 11,714.73
  4. Step 4: Simplify right side
    21,273.86x = 343,927,369.29
  5. Step 5: Solve for x
    x = 343,927,369.29/21,273.86
  6. Step 6: Final answer
    x = 16,166.67

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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.