Home / 13,385.31-18,454.94-8,596.80

Finding the Fourth Proportional to 13,385.31, 18,454.94 and 8,596.80

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Solution

The fourth proportional to 13,385.31, 18,454.94 and 8,596.80 is: 11,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.31 : 18,454.94 = 8,596.80 : x
  2. Step 2: Convert to fraction form
    13,385.31/18,454.94 = 8,596.80/x
  3. Step 3: Cross multiply
    13,385.31x = 18,454.94 × 8,596.80
  4. Step 4: Simplify right side
    13,385.31x = 158,653,385.21
  5. Step 5: Solve for x
    x = 158,653,385.21/13,385.31
  6. Step 6: Final answer
    x = 11,852.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.