Home / 13,423.26-20,125.70-6,836.70

Finding the Fourth Proportional to 13,423.26, 20,125.70 and 6,836.70

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Solution

The fourth proportional to 13,423.26, 20,125.70 and 6,836.70 is: 10,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.26 : 20,125.70 = 6,836.70 : x
  2. Step 2: Convert to fraction form
    13,423.26/20,125.70 = 6,836.70/x
  3. Step 3: Cross multiply
    13,423.26x = 20,125.70 × 6,836.70
  4. Step 4: Simplify right side
    13,423.26x = 137,593,373.19
  5. Step 5: Solve for x
    x = 137,593,373.19/13,423.26
  6. Step 6: Final answer
    x = 10,250.37

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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.