Home / 13,783.14-20,674.28-4,423.04

Finding the Fourth Proportional to 13,783.14, 20,674.28 and 4,423.04

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Solution

The fourth proportional to 13,783.14, 20,674.28 and 4,423.04 is: 6,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.14 : 20,674.28 = 4,423.04 : x
  2. Step 2: Convert to fraction form
    13,783.14/20,674.28 = 4,423.04/x
  3. Step 3: Cross multiply
    13,783.14x = 20,674.28 × 4,423.04
  4. Step 4: Simplify right side
    13,783.14x = 91,443,167.41
  5. Step 5: Solve for x
    x = 91,443,167.41/13,783.14
  6. Step 6: Final answer
    x = 6,634.42

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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.