Home / 15,902.37-23,808.20-12,620.25

Finding the Fourth Proportional to 15,902.37, 23,808.20 and 12,620.25

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Solution

The fourth proportional to 15,902.37, 23,808.20 and 12,620.25 is: 18,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.37 : 23,808.20 = 12,620.25 : x
  2. Step 2: Convert to fraction form
    15,902.37/23,808.20 = 12,620.25/x
  3. Step 3: Cross multiply
    15,902.37x = 23,808.20 × 12,620.25
  4. Step 4: Simplify right side
    15,902.37x = 300,465,372.95
  5. Step 5: Solve for x
    x = 300,465,372.95/15,902.37
  6. Step 6: Final answer
    x = 18,894.38

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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.