Home / 12,998.19-19,495.14-4,676.66

Finding the Fourth Proportional to 12,998.19, 19,495.14 and 4,676.66

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Solution

The fourth proportional to 12,998.19, 19,495.14 and 4,676.66 is: 7,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.19 : 19,495.14 = 4,676.66 : x
  2. Step 2: Convert to fraction form
    12,998.19/19,495.14 = 4,676.66/x
  3. Step 3: Cross multiply
    12,998.19x = 19,495.14 × 4,676.66
  4. Step 4: Simplify right side
    12,998.19x = 91,172,043.96
  5. Step 5: Solve for x
    x = 91,172,043.96/12,998.19
  6. Step 6: Final answer
    x = 7,014.21

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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.