Home / 14,153.90-21,230.60-3,623.81

Finding the Fourth Proportional to 14,153.90, 21,230.60 and 3,623.81

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Solution

The fourth proportional to 14,153.90, 21,230.60 and 3,623.81 is: 5,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.90 : 21,230.60 = 3,623.81 : x
  2. Step 2: Convert to fraction form
    14,153.90/21,230.60 = 3,623.81/x
  3. Step 3: Cross multiply
    14,153.90x = 21,230.60 × 3,623.81
  4. Step 4: Simplify right side
    14,153.90x = 76,935,536.31
  5. Step 5: Solve for x
    x = 76,935,536.31/14,153.90
  6. Step 6: Final answer
    x = 5,435.64

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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.