Home / 13,709.15-20,559.47-4,942.92

Finding the Fourth Proportional to 13,709.15, 20,559.47 and 4,942.92

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Solution

The fourth proportional to 13,709.15, 20,559.47 and 4,942.92 is: 7,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.15 : 20,559.47 = 4,942.92 : x
  2. Step 2: Convert to fraction form
    13,709.15/20,559.47 = 4,942.92/x
  3. Step 3: Cross multiply
    13,709.15x = 20,559.47 × 4,942.92
  4. Step 4: Simplify right side
    13,709.15x = 101,623,790.74
  5. Step 5: Solve for x
    x = 101,623,790.74/13,709.15
  6. Step 6: Final answer
    x = 7,412.85

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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.