Home / 14,361.28-21,553.44-7,437.76

Finding the Fourth Proportional to 14,361.28, 21,553.44 and 7,437.76

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Solution

The fourth proportional to 14,361.28, 21,553.44 and 7,437.76 is: 11,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.28 : 21,553.44 = 7,437.76 : x
  2. Step 2: Convert to fraction form
    14,361.28/21,553.44 = 7,437.76/x
  3. Step 3: Cross multiply
    14,361.28x = 21,553.44 × 7,437.76
  4. Step 4: Simplify right side
    14,361.28x = 160,309,313.89
  5. Step 5: Solve for x
    x = 160,309,313.89/14,361.28
  6. Step 6: Final answer
    x = 11,162.61

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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.