Home / 14,153.82-21,230.80-4,293.11

Finding the Fourth Proportional to 14,153.82, 21,230.80 and 4,293.11

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Solution

The fourth proportional to 14,153.82, 21,230.80 and 4,293.11 is: 6,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.82 : 21,230.80 = 4,293.11 : x
  2. Step 2: Convert to fraction form
    14,153.82/21,230.80 = 4,293.11/x
  3. Step 3: Cross multiply
    14,153.82x = 21,230.80 × 4,293.11
  4. Step 4: Simplify right side
    14,153.82x = 91,146,059.00
  5. Step 5: Solve for x
    x = 91,146,059.00/14,153.82
  6. Step 6: Final answer
    x = 6,439.68

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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.