Home / 11,903.28-17,857.41-4,507.57

Finding the Fourth Proportional to 11,903.28, 17,857.41 and 4,507.57

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Solution

The fourth proportional to 11,903.28, 17,857.41 and 4,507.57 is: 6,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.28 : 17,857.41 = 4,507.57 : x
  2. Step 2: Convert to fraction form
    11,903.28/17,857.41 = 4,507.57/x
  3. Step 3: Cross multiply
    11,903.28x = 17,857.41 × 4,507.57
  4. Step 4: Simplify right side
    11,903.28x = 80,493,525.59
  5. Step 5: Solve for x
    x = 80,493,525.59/11,903.28
  6. Step 6: Final answer
    x = 6,762.30

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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.