Home / 12,676.85-19,022.50-6,437.22

Finding the Fourth Proportional to 12,676.85, 19,022.50 and 6,437.22

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Solution

The fourth proportional to 12,676.85, 19,022.50 and 6,437.22 is: 9,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.85 : 19,022.50 = 6,437.22 : x
  2. Step 2: Convert to fraction form
    12,676.85/19,022.50 = 6,437.22/x
  3. Step 3: Cross multiply
    12,676.85x = 19,022.50 × 6,437.22
  4. Step 4: Simplify right side
    12,676.85x = 122,452,024.95
  5. Step 5: Solve for x
    x = 122,452,024.95/12,676.85
  6. Step 6: Final answer
    x = 9,659.50

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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.