Home / 10,759.91-16,141.39-5,208.68

Finding the Fourth Proportional to 10,759.91, 16,141.39 and 5,208.68

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Solution

The fourth proportional to 10,759.91, 16,141.39 and 5,208.68 is: 7,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.91 : 16,141.39 = 5,208.68 : x
  2. Step 2: Convert to fraction form
    10,759.91/16,141.39 = 5,208.68/x
  3. Step 3: Cross multiply
    10,759.91x = 16,141.39 × 5,208.68
  4. Step 4: Simplify right side
    10,759.91x = 84,075,362.60
  5. Step 5: Solve for x
    x = 84,075,362.60/10,759.91
  6. Step 6: Final answer
    x = 7,813.76

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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.