Home / 15,741.98-23,540.06-12,191.75

Finding the Fourth Proportional to 15,741.98, 23,540.06 and 12,191.75

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Solution

The fourth proportional to 15,741.98, 23,540.06 and 12,191.75 is: 18,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.98 : 23,540.06 = 12,191.75 : x
  2. Step 2: Convert to fraction form
    15,741.98/23,540.06 = 12,191.75/x
  3. Step 3: Cross multiply
    15,741.98x = 23,540.06 × 12,191.75
  4. Step 4: Simplify right side
    15,741.98x = 286,994,347.85
  5. Step 5: Solve for x
    x = 286,994,347.85/15,741.98
  6. Step 6: Final answer
    x = 18,231.15

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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.