Home / 13,107.40-19,655.98-4,339.96

Finding the Fourth Proportional to 13,107.40, 19,655.98 and 4,339.96

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Solution

The fourth proportional to 13,107.40, 19,655.98 and 4,339.96 is: 6,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.40 : 19,655.98 = 4,339.96 : x
  2. Step 2: Convert to fraction form
    13,107.40/19,655.98 = 4,339.96/x
  3. Step 3: Cross multiply
    13,107.40x = 19,655.98 × 4,339.96
  4. Step 4: Simplify right side
    13,107.40x = 85,306,166.96
  5. Step 5: Solve for x
    x = 85,306,166.96/13,107.40
  6. Step 6: Final answer
    x = 6,508.24

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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.