Home / 13,950.14-20,925.18-3,561.86

Finding the Fourth Proportional to 13,950.14, 20,925.18 and 3,561.86

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Solution

The fourth proportional to 13,950.14, 20,925.18 and 3,561.86 is: 5,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.14 : 20,925.18 = 3,561.86 : x
  2. Step 2: Convert to fraction form
    13,950.14/20,925.18 = 3,561.86/x
  3. Step 3: Cross multiply
    13,950.14x = 20,925.18 × 3,561.86
  4. Step 4: Simplify right side
    13,950.14x = 74,532,561.63
  5. Step 5: Solve for x
    x = 74,532,561.63/13,950.14
  6. Step 6: Final answer
    x = 5,342.78

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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.