Home / 10,370.44-14,310.66-7,729.48

Finding the Fourth Proportional to 10,370.44, 14,310.66 and 7,729.48

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Solution

The fourth proportional to 10,370.44, 14,310.66 and 7,729.48 is: 10,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.44 : 14,310.66 = 7,729.48 : x
  2. Step 2: Convert to fraction form
    10,370.44/14,310.66 = 7,729.48/x
  3. Step 3: Cross multiply
    10,370.44x = 14,310.66 × 7,729.48
  4. Step 4: Simplify right side
    10,370.44x = 110,613,960.26
  5. Step 5: Solve for x
    x = 110,613,960.26/10,370.44
  6. Step 6: Final answer
    x = 10,666.27

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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.