Home / 13,376.68-20,033.48-10,604.90

Finding the Fourth Proportional to 13,376.68, 20,033.48 and 10,604.90

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Solution

The fourth proportional to 13,376.68, 20,033.48 and 10,604.90 is: 15,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.68 : 20,033.48 = 10,604.90 : x
  2. Step 2: Convert to fraction form
    13,376.68/20,033.48 = 10,604.90/x
  3. Step 3: Cross multiply
    13,376.68x = 20,033.48 × 10,604.90
  4. Step 4: Simplify right side
    13,376.68x = 212,453,052.05
  5. Step 5: Solve for x
    x = 212,453,052.05/13,376.68
  6. Step 6: Final answer
    x = 15,882.35

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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.