Home / 13,081.88-19,636.46-6,512.92

Finding the Fourth Proportional to 13,081.88, 19,636.46 and 6,512.92

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Solution

The fourth proportional to 13,081.88, 19,636.46 and 6,512.92 is: 9,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.88 : 19,636.46 = 6,512.92 : x
  2. Step 2: Convert to fraction form
    13,081.88/19,636.46 = 6,512.92/x
  3. Step 3: Cross multiply
    13,081.88x = 19,636.46 × 6,512.92
  4. Step 4: Simplify right side
    13,081.88x = 127,890,693.06
  5. Step 5: Solve for x
    x = 127,890,693.06/13,081.88
  6. Step 6: Final answer
    x = 9,776.17

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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.