Home / 12,756.66-19,094.05-6,818.73

Finding the Fourth Proportional to 12,756.66, 19,094.05 and 6,818.73

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Solution

The fourth proportional to 12,756.66, 19,094.05 and 6,818.73 is: 10,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.66 : 19,094.05 = 6,818.73 : x
  2. Step 2: Convert to fraction form
    12,756.66/19,094.05 = 6,818.73/x
  3. Step 3: Cross multiply
    12,756.66x = 19,094.05 × 6,818.73
  4. Step 4: Simplify right side
    12,756.66x = 130,197,171.56
  5. Step 5: Solve for x
    x = 130,197,171.56/12,756.66
  6. Step 6: Final answer
    x = 10,206.21

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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.