Home / 11,736.04-17,609.10-7,788.68

Finding the Fourth Proportional to 11,736.04, 17,609.10 and 7,788.68

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Solution

The fourth proportional to 11,736.04, 17,609.10 and 7,788.68 is: 11,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.04 : 17,609.10 = 7,788.68 : x
  2. Step 2: Convert to fraction form
    11,736.04/17,609.10 = 7,788.68/x
  3. Step 3: Cross multiply
    11,736.04x = 17,609.10 × 7,788.68
  4. Step 4: Simplify right side
    11,736.04x = 137,151,644.99
  5. Step 5: Solve for x
    x = 137,151,644.99/11,736.04
  6. Step 6: Final answer
    x = 11,686.36

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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.