Home / 10,149.09-14,007.33-6,171.45

Finding the Fourth Proportional to 10,149.09, 14,007.33 and 6,171.45

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Solution

The fourth proportional to 10,149.09, 14,007.33 and 6,171.45 is: 8,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.09 : 14,007.33 = 6,171.45 : x
  2. Step 2: Convert to fraction form
    10,149.09/14,007.33 = 6,171.45/x
  3. Step 3: Cross multiply
    10,149.09x = 14,007.33 × 6,171.45
  4. Step 4: Simplify right side
    10,149.09x = 86,445,536.73
  5. Step 5: Solve for x
    x = 86,445,536.73/10,149.09
  6. Step 6: Final answer
    x = 8,517.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.