Home / 13,827.06-20,729.07-6,427.62

Finding the Fourth Proportional to 13,827.06, 20,729.07 and 6,427.62

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Solution

The fourth proportional to 13,827.06, 20,729.07 and 6,427.62 is: 9,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.06 : 20,729.07 = 6,427.62 : x
  2. Step 2: Convert to fraction form
    13,827.06/20,729.07 = 6,427.62/x
  3. Step 3: Cross multiply
    13,827.06x = 20,729.07 × 6,427.62
  4. Step 4: Simplify right side
    13,827.06x = 133,238,584.91
  5. Step 5: Solve for x
    x = 133,238,584.91/13,827.06
  6. Step 6: Final answer
    x = 9,636.07

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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.