Home / 12,818.34-19,230.24-4,053.96

Finding the Fourth Proportional to 12,818.34, 19,230.24 and 4,053.96

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Solution

The fourth proportional to 12,818.34, 19,230.24 and 4,053.96 is: 6,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.34 : 19,230.24 = 4,053.96 : x
  2. Step 2: Convert to fraction form
    12,818.34/19,230.24 = 4,053.96/x
  3. Step 3: Cross multiply
    12,818.34x = 19,230.24 × 4,053.96
  4. Step 4: Simplify right side
    12,818.34x = 77,958,623.75
  5. Step 5: Solve for x
    x = 77,958,623.75/12,818.34
  6. Step 6: Final answer
    x = 6,081.80

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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.