Home / 10,519.44-15,776.84-4,277.81

Finding the Fourth Proportional to 10,519.44, 15,776.84 and 4,277.81

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Solution

The fourth proportional to 10,519.44, 15,776.84 and 4,277.81 is: 6,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.44 : 15,776.84 = 4,277.81 : x
  2. Step 2: Convert to fraction form
    10,519.44/15,776.84 = 4,277.81/x
  3. Step 3: Cross multiply
    10,519.44x = 15,776.84 × 4,277.81
  4. Step 4: Simplify right side
    10,519.44x = 67,490,255.73
  5. Step 5: Solve for x
    x = 67,490,255.73/10,519.44
  6. Step 6: Final answer
    x = 6,415.77

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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.