Home / 13,761.09-20,630.70-6,369.03

Finding the Fourth Proportional to 13,761.09, 20,630.70 and 6,369.03

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Solution

The fourth proportional to 13,761.09, 20,630.70 and 6,369.03 is: 9,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.09 : 20,630.70 = 6,369.03 : x
  2. Step 2: Convert to fraction form
    13,761.09/20,630.70 = 6,369.03/x
  3. Step 3: Cross multiply
    13,761.09x = 20,630.70 × 6,369.03
  4. Step 4: Simplify right side
    13,761.09x = 131,397,547.22
  5. Step 5: Solve for x
    x = 131,397,547.22/13,761.09
  6. Step 6: Final answer
    x = 9,548.48

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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.