Home / 12,676.62-19,031.37-9,757.02

Finding the Fourth Proportional to 12,676.62, 19,031.37 and 9,757.02

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Solution

The fourth proportional to 12,676.62, 19,031.37 and 9,757.02 is: 14,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.62 : 19,031.37 = 9,757.02 : x
  2. Step 2: Convert to fraction form
    12,676.62/19,031.37 = 9,757.02/x
  3. Step 3: Cross multiply
    12,676.62x = 19,031.37 × 9,757.02
  4. Step 4: Simplify right side
    12,676.62x = 185,689,457.72
  5. Step 5: Solve for x
    x = 185,689,457.72/12,676.62
  6. Step 6: Final answer
    x = 14,648.18

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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.