Home / 13,935.38-19,230.74-7,561.84

Finding the Fourth Proportional to 13,935.38, 19,230.74 and 7,561.84

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Solution

The fourth proportional to 13,935.38, 19,230.74 and 7,561.84 is: 10,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.38 : 19,230.74 = 7,561.84 : x
  2. Step 2: Convert to fraction form
    13,935.38/19,230.74 = 7,561.84/x
  3. Step 3: Cross multiply
    13,935.38x = 19,230.74 × 7,561.84
  4. Step 4: Simplify right side
    13,935.38x = 145,419,778.96
  5. Step 5: Solve for x
    x = 145,419,778.96/13,935.38
  6. Step 6: Final answer
    x = 10,435.29

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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.