Home / 15,999.15-23,998.73-12,658.35

Finding the Fourth Proportional to 15,999.15, 23,998.73 and 12,658.35

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Solution

The fourth proportional to 15,999.15, 23,998.73 and 12,658.35 is: 18,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.15 : 23,998.73 = 12,658.35 : x
  2. Step 2: Convert to fraction form
    15,999.15/23,998.73 = 12,658.35/x
  3. Step 3: Cross multiply
    15,999.15x = 23,998.73 × 12,658.35
  4. Step 4: Simplify right side
    15,999.15x = 303,784,260.60
  5. Step 5: Solve for x
    x = 303,784,260.60/15,999.15
  6. Step 6: Final answer
    x = 18,987.53

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Similar ratio
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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.