Home / 10,130.72-15,198.04-3,890.27

Finding the Fourth Proportional to 10,130.72, 15,198.04 and 3,890.27

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Solution

The fourth proportional to 10,130.72, 15,198.04 and 3,890.27 is: 5,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.72 : 15,198.04 = 3,890.27 : x
  2. Step 2: Convert to fraction form
    10,130.72/15,198.04 = 3,890.27/x
  3. Step 3: Cross multiply
    10,130.72x = 15,198.04 × 3,890.27
  4. Step 4: Simplify right side
    10,130.72x = 59,124,496.09
  5. Step 5: Solve for x
    x = 59,124,496.09/10,130.72
  6. Step 6: Final answer
    x = 5,836.16

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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.