Home / 13,137.96-19,689.66-5,342.52

Finding the Fourth Proportional to 13,137.96, 19,689.66 and 5,342.52

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Solution

The fourth proportional to 13,137.96, 19,689.66 and 5,342.52 is: 8,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.96 : 19,689.66 = 5,342.52 : x
  2. Step 2: Convert to fraction form
    13,137.96/19,689.66 = 5,342.52/x
  3. Step 3: Cross multiply
    13,137.96x = 19,689.66 × 5,342.52
  4. Step 4: Simplify right side
    13,137.96x = 105,192,402.34
  5. Step 5: Solve for x
    x = 105,192,402.34/13,137.96
  6. Step 6: Final answer
    x = 8,006.75

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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.