Home / 13,601.96-18,752.66-8,878.04

Finding the Fourth Proportional to 13,601.96, 18,752.66 and 8,878.04

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Solution

The fourth proportional to 13,601.96, 18,752.66 and 8,878.04 is: 12,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.96 : 18,752.66 = 8,878.04 : x
  2. Step 2: Convert to fraction form
    13,601.96/18,752.66 = 8,878.04/x
  3. Step 3: Cross multiply
    13,601.96x = 18,752.66 × 8,878.04
  4. Step 4: Simplify right side
    13,601.96x = 166,486,865.59
  5. Step 5: Solve for x
    x = 166,486,865.59/13,601.96
  6. Step 6: Final answer
    x = 12,239.92

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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.