Home / 21,353.46-29,467.31-11,792.76

Finding the Fourth Proportional to 21,353.46, 29,467.31 and 11,792.76

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Solution

The fourth proportional to 21,353.46, 29,467.31 and 11,792.76 is: 16,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.46 : 29,467.31 = 11,792.76 : x
  2. Step 2: Convert to fraction form
    21,353.46/29,467.31 = 11,792.76/x
  3. Step 3: Cross multiply
    21,353.46x = 29,467.31 × 11,792.76
  4. Step 4: Simplify right side
    21,353.46x = 347,500,855.71
  5. Step 5: Solve for x
    x = 347,500,855.71/21,353.46
  6. Step 6: Final answer
    x = 16,273.75

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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.