Home / 35,556.63-53,317.09-11,855.78

Finding the Fourth Proportional to 35,556.63, 53,317.09 and 11,855.78

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Solution

The fourth proportional to 35,556.63, 53,317.09 and 11,855.78 is: 17,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.63 : 53,317.09 = 11,855.78 : x
  2. Step 2: Convert to fraction form
    35,556.63/53,317.09 = 11,855.78/x
  3. Step 3: Cross multiply
    35,556.63x = 53,317.09 × 11,855.78
  4. Step 4: Simplify right side
    35,556.63x = 632,115,914.43
  5. Step 5: Solve for x
    x = 632,115,914.43/35,556.63
  6. Step 6: Final answer
    x = 17,777.72

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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.