Home / 10,127.88-15,190.74-3,554.28

Finding the Fourth Proportional to 10,127.88, 15,190.74 and 3,554.28

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Solution

The fourth proportional to 10,127.88, 15,190.74 and 3,554.28 is: 5,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.88 : 15,190.74 = 3,554.28 : x
  2. Step 2: Convert to fraction form
    10,127.88/15,190.74 = 3,554.28/x
  3. Step 3: Cross multiply
    10,127.88x = 15,190.74 × 3,554.28
  4. Step 4: Simplify right side
    10,127.88x = 53,992,143.37
  5. Step 5: Solve for x
    x = 53,992,143.37/10,127.88
  6. Step 6: Final answer
    x = 5,331.04

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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.