Home / 10,288.94-15,441.23-6,777.77

Finding the Fourth Proportional to 10,288.94, 15,441.23 and 6,777.77

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Solution

The fourth proportional to 10,288.94, 15,441.23 and 6,777.77 is: 10,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.94 : 15,441.23 = 6,777.77 : x
  2. Step 2: Convert to fraction form
    10,288.94/15,441.23 = 6,777.77/x
  3. Step 3: Cross multiply
    10,288.94x = 15,441.23 × 6,777.77
  4. Step 4: Simplify right side
    10,288.94x = 104,656,994.36
  5. Step 5: Solve for x
    x = 104,656,994.36/10,288.94
  6. Step 6: Final answer
    x = 10,171.80

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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.