Home / 13,527.62-20,289.58-4,039.79

Finding the Fourth Proportional to 13,527.62, 20,289.58 and 4,039.79

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Solution

The fourth proportional to 13,527.62, 20,289.58 and 4,039.79 is: 6,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.62 : 20,289.58 = 4,039.79 : x
  2. Step 2: Convert to fraction form
    13,527.62/20,289.58 = 4,039.79/x
  3. Step 3: Cross multiply
    13,527.62x = 20,289.58 × 4,039.79
  4. Step 4: Simplify right side
    13,527.62x = 81,965,642.39
  5. Step 5: Solve for x
    x = 81,965,642.39/13,527.62
  6. Step 6: Final answer
    x = 6,059.13

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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.