Home / 13,834.12-20,749-5,066.92

Finding the Fourth Proportional to 13,834.12, 20,749 and 5,066.92

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Solution

The fourth proportional to 13,834.12, 20,749 and 5,066.92 is: 7,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.12 : 20,749 = 5,066.92 : x
  2. Step 2: Convert to fraction form
    13,834.12/20,749 = 5,066.92/x
  3. Step 3: Cross multiply
    13,834.12x = 20,749 × 5,066.92
  4. Step 4: Simplify right side
    13,834.12x = 105,133,523.08
  5. Step 5: Solve for x
    x = 105,133,523.08/13,834.12
  6. Step 6: Final answer
    x = 7,599.58

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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.