Home / 12,574.44-18,861.84-4,783.68

Finding the Fourth Proportional to 12,574.44, 18,861.84 and 4,783.68

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Solution

The fourth proportional to 12,574.44, 18,861.84 and 4,783.68 is: 7,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.44 : 18,861.84 = 4,783.68 : x
  2. Step 2: Convert to fraction form
    12,574.44/18,861.84 = 4,783.68/x
  3. Step 3: Cross multiply
    12,574.44x = 18,861.84 × 4,783.68
  4. Step 4: Simplify right side
    12,574.44x = 90,229,006.77
  5. Step 5: Solve for x
    x = 90,229,006.77/12,574.44
  6. Step 6: Final answer
    x = 7,175.59

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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.