Home / 12,818.55-19,226.73-4,384.35

Finding the Fourth Proportional to 12,818.55, 19,226.73 and 4,384.35

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Solution

The fourth proportional to 12,818.55, 19,226.73 and 4,384.35 is: 6,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.55 : 19,226.73 = 4,384.35 : x
  2. Step 2: Convert to fraction form
    12,818.55/19,226.73 = 4,384.35/x
  3. Step 3: Cross multiply
    12,818.55x = 19,226.73 × 4,384.35
  4. Step 4: Simplify right side
    12,818.55x = 84,296,713.68
  5. Step 5: Solve for x
    x = 84,296,713.68/12,818.55
  6. Step 6: Final answer
    x = 6,576.15

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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.