Home / 13,385.48-20,069.58-8,996.36

Finding the Fourth Proportional to 13,385.48, 20,069.58 and 8,996.36

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Solution

The fourth proportional to 13,385.48, 20,069.58 and 8,996.36 is: 13,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.48 : 20,069.58 = 8,996.36 : x
  2. Step 2: Convert to fraction form
    13,385.48/20,069.58 = 8,996.36/x
  3. Step 3: Cross multiply
    13,385.48x = 20,069.58 × 8,996.36
  4. Step 4: Simplify right side
    13,385.48x = 180,553,166.73
  5. Step 5: Solve for x
    x = 180,553,166.73/13,385.48
  6. Step 6: Final answer
    x = 13,488.73

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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.