Home / 12,818.13-19,235.81-4,498.22

Finding the Fourth Proportional to 12,818.13, 19,235.81 and 4,498.22

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Solution

The fourth proportional to 12,818.13, 19,235.81 and 4,498.22 is: 6,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.13 : 19,235.81 = 4,498.22 : x
  2. Step 2: Convert to fraction form
    12,818.13/19,235.81 = 4,498.22/x
  3. Step 3: Cross multiply
    12,818.13x = 19,235.81 × 4,498.22
  4. Step 4: Simplify right side
    12,818.13x = 86,526,786.59
  5. Step 5: Solve for x
    x = 86,526,786.59/12,818.13
  6. Step 6: Final answer
    x = 6,750.34

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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.