Home / 10,605.26-15,910.45-7,491.33

Finding the Fourth Proportional to 10,605.26, 15,910.45 and 7,491.33

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Solution

The fourth proportional to 10,605.26, 15,910.45 and 7,491.33 is: 11,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.26 : 15,910.45 = 7,491.33 : x
  2. Step 2: Convert to fraction form
    10,605.26/15,910.45 = 7,491.33/x
  3. Step 3: Cross multiply
    10,605.26x = 15,910.45 × 7,491.33
  4. Step 4: Simplify right side
    10,605.26x = 119,190,412.67
  5. Step 5: Solve for x
    x = 119,190,412.67/10,605.26
  6. Step 6: Final answer
    x = 11,238.80

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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.