Home / 13,556.67-18,708.02-7,588.34

Finding the Fourth Proportional to 13,556.67, 18,708.02 and 7,588.34

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Solution

The fourth proportional to 13,556.67, 18,708.02 and 7,588.34 is: 10,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.67 : 18,708.02 = 7,588.34 : x
  2. Step 2: Convert to fraction form
    13,556.67/18,708.02 = 7,588.34/x
  3. Step 3: Cross multiply
    13,556.67x = 18,708.02 × 7,588.34
  4. Step 4: Simplify right side
    13,556.67x = 141,962,816.49
  5. Step 5: Solve for x
    x = 141,962,816.49/13,556.67
  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.