Home / 13,727.84-18,944.33-7,759.50

Finding the Fourth Proportional to 13,727.84, 18,944.33 and 7,759.50

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Solution

The fourth proportional to 13,727.84, 18,944.33 and 7,759.50 is: 10,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.84 : 18,944.33 = 7,759.50 : x
  2. Step 2: Convert to fraction form
    13,727.84/18,944.33 = 7,759.50/x
  3. Step 3: Cross multiply
    13,727.84x = 18,944.33 × 7,759.50
  4. Step 4: Simplify right side
    13,727.84x = 146,998,528.64
  5. Step 5: Solve for x
    x = 146,998,528.64/13,727.84
  6. Step 6: Final answer
    x = 10,708.06

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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.