Home / 10,120.68-15,180.51-3,548.34

Finding the Fourth Proportional to 10,120.68, 15,180.51 and 3,548.34

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Solution

The fourth proportional to 10,120.68, 15,180.51 and 3,548.34 is: 5,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.68 : 15,180.51 = 3,548.34 : x
  2. Step 2: Convert to fraction form
    10,120.68/15,180.51 = 3,548.34/x
  3. Step 3: Cross multiply
    10,120.68x = 15,180.51 × 3,548.34
  4. Step 4: Simplify right side
    10,120.68x = 53,865,610.85
  5. Step 5: Solve for x
    x = 53,865,610.85/10,120.68
  6. Step 6: Final answer
    x = 5,322.33

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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.