Home / 12,548.69-18,818.93-4,226.48

Finding the Fourth Proportional to 12,548.69, 18,818.93 and 4,226.48

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Solution

The fourth proportional to 12,548.69, 18,818.93 and 4,226.48 is: 6,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.69 : 18,818.93 = 4,226.48 : x
  2. Step 2: Convert to fraction form
    12,548.69/18,818.93 = 4,226.48/x
  3. Step 3: Cross multiply
    12,548.69x = 18,818.93 × 4,226.48
  4. Step 4: Simplify right side
    12,548.69x = 79,537,747.74
  5. Step 5: Solve for x
    x = 79,537,747.74/12,548.69
  6. Step 6: Final answer
    x = 6,338.33

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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.