Home / 12,818.70-19,213.65-6,576.30

Finding the Fourth Proportional to 12,818.70, 19,213.65 and 6,576.30

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Solution

The fourth proportional to 12,818.70, 19,213.65 and 6,576.30 is: 9,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.70 : 19,213.65 = 6,576.30 : x
  2. Step 2: Convert to fraction form
    12,818.70/19,213.65 = 6,576.30/x
  3. Step 3: Cross multiply
    12,818.70x = 19,213.65 × 6,576.30
  4. Step 4: Simplify right side
    12,818.70x = 126,354,726.50
  5. Step 5: Solve for x
    x = 126,354,726.50/12,818.70
  6. Step 6: Final answer
    x = 9,857.06

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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.