Home / 13,904.42-19,187.62-7,935.85

Finding the Fourth Proportional to 13,904.42, 19,187.62 and 7,935.85

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Solution

The fourth proportional to 13,904.42, 19,187.62 and 7,935.85 is: 10,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.42 : 19,187.62 = 7,935.85 : x
  2. Step 2: Convert to fraction form
    13,904.42/19,187.62 = 7,935.85/x
  3. Step 3: Cross multiply
    13,904.42x = 19,187.62 × 7,935.85
  4. Step 4: Simplify right side
    13,904.42x = 152,270,057.84
  5. Step 5: Solve for x
    x = 152,270,057.84/13,904.42
  6. Step 6: Final answer
    x = 10,951.20

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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.