Home / 13,524.31-18,661.26-7,556.03

Finding the Fourth Proportional to 13,524.31, 18,661.26 and 7,556.03

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Solution

The fourth proportional to 13,524.31, 18,661.26 and 7,556.03 is: 10,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.31 : 18,661.26 = 7,556.03 : x
  2. Step 2: Convert to fraction form
    13,524.31/18,661.26 = 7,556.03/x
  3. Step 3: Cross multiply
    13,524.31x = 18,661.26 × 7,556.03
  4. Step 4: Simplify right side
    13,524.31x = 141,005,045.41
  5. Step 5: Solve for x
    x = 141,005,045.41/13,524.31
  6. Step 6: Final answer
    x = 10,426.04

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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.