Home / 10,540.77-14,544.11-6,290.47

Finding the Fourth Proportional to 10,540.77, 14,544.11 and 6,290.47

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Solution

The fourth proportional to 10,540.77, 14,544.11 and 6,290.47 is: 8,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.77 : 14,544.11 = 6,290.47 : x
  2. Step 2: Convert to fraction form
    10,540.77/14,544.11 = 6,290.47/x
  3. Step 3: Cross multiply
    10,540.77x = 14,544.11 × 6,290.47
  4. Step 4: Simplify right side
    10,540.77x = 91,489,321.54
  5. Step 5: Solve for x
    x = 91,489,321.54/10,540.77
  6. Step 6: Final answer
    x = 8,679.57

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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.