Home / 13,295.34-19,910.21-8,352.72

Finding the Fourth Proportional to 13,295.34, 19,910.21 and 8,352.72

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Solution

The fourth proportional to 13,295.34, 19,910.21 and 8,352.72 is: 12,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.34 : 19,910.21 = 8,352.72 : x
  2. Step 2: Convert to fraction form
    13,295.34/19,910.21 = 8,352.72/x
  3. Step 3: Cross multiply
    13,295.34x = 19,910.21 × 8,352.72
  4. Step 4: Simplify right side
    13,295.34x = 166,304,367.51
  5. Step 5: Solve for x
    x = 166,304,367.51/13,295.34
  6. Step 6: Final answer
    x = 12,508.47

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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.