Home / 10,515.30-14,514.09-7,372.26

Finding the Fourth Proportional to 10,515.30, 14,514.09 and 7,372.26

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Solution

The fourth proportional to 10,515.30, 14,514.09 and 7,372.26 is: 10,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.30 : 14,514.09 = 7,372.26 : x
  2. Step 2: Convert to fraction form
    10,515.30/14,514.09 = 7,372.26/x
  3. Step 3: Cross multiply
    10,515.30x = 14,514.09 × 7,372.26
  4. Step 4: Simplify right side
    10,515.30x = 107,001,645.14
  5. Step 5: Solve for x
    x = 107,001,645.14/10,515.30
  6. Step 6: Final answer
    x = 10,175.81

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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.