Home / 13,707.11-20,561.67-12,074.96

Finding the Fourth Proportional to 13,707.11, 20,561.67 and 12,074.96

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Solution

The fourth proportional to 13,707.11, 20,561.67 and 12,074.96 is: 18,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.11 : 20,561.67 = 12,074.96 : x
  2. Step 2: Convert to fraction form
    13,707.11/20,561.67 = 12,074.96/x
  3. Step 3: Cross multiply
    13,707.11x = 20,561.67 × 12,074.96
  4. Step 4: Simplify right side
    13,707.11x = 248,281,239.97
  5. Step 5: Solve for x
    x = 248,281,239.97/13,707.11
  6. Step 6: Final answer
    x = 18,113.32

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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.