Home / 13,435.58-18,546.27-8,957.70

Finding the Fourth Proportional to 13,435.58, 18,546.27 and 8,957.70

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Solution

The fourth proportional to 13,435.58, 18,546.27 and 8,957.70 is: 12,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.58 : 18,546.27 = 8,957.70 : x
  2. Step 2: Convert to fraction form
    13,435.58/18,546.27 = 8,957.70/x
  3. Step 3: Cross multiply
    13,435.58x = 18,546.27 × 8,957.70
  4. Step 4: Simplify right side
    13,435.58x = 166,131,971.95
  5. Step 5: Solve for x
    x = 166,131,971.95/13,435.58
  6. Step 6: Final answer
    x = 12,365.07

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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.