Home / 13,903.85-19,187.37-7,616.22

Finding the Fourth Proportional to 13,903.85, 19,187.37 and 7,616.22

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Solution

The fourth proportional to 13,903.85, 19,187.37 and 7,616.22 is: 10,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.85 : 19,187.37 = 7,616.22 : x
  2. Step 2: Convert to fraction form
    13,903.85/19,187.37 = 7,616.22/x
  3. Step 3: Cross multiply
    13,903.85x = 19,187.37 × 7,616.22
  4. Step 4: Simplify right side
    13,903.85x = 146,135,231.14
  5. Step 5: Solve for x
    x = 146,135,231.14/13,903.85
  6. Step 6: Final answer
    x = 10,510.42

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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.