Home / 13,556.60-18,708.11-7,588.27

Finding the Fourth Proportional to 13,556.60, 18,708.11 and 7,588.27

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Solution

The fourth proportional to 13,556.60, 18,708.11 and 7,588.27 is: 10,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.60 : 18,708.11 = 7,588.27 : x
  2. Step 2: Convert to fraction form
    13,556.60/18,708.11 = 7,588.27/x
  3. Step 3: Cross multiply
    13,556.60x = 18,708.11 × 7,588.27
  4. Step 4: Simplify right side
    13,556.60x = 141,962,175.31
  5. Step 5: Solve for x
    x = 141,962,175.31/13,556.60
  6. Step 6: Final answer
    x = 10,471.81

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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.