Home / 13,814.45-20,725.77-6,423.30

Finding the Fourth Proportional to 13,814.45, 20,725.77 and 6,423.30

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Solution

The fourth proportional to 13,814.45, 20,725.77 and 6,423.30 is: 9,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.45 : 20,725.77 = 6,423.30 : x
  2. Step 2: Convert to fraction form
    13,814.45/20,725.77 = 6,423.30/x
  3. Step 3: Cross multiply
    13,814.45x = 20,725.77 × 6,423.30
  4. Step 4: Simplify right side
    13,814.45x = 133,127,862.53
  5. Step 5: Solve for x
    x = 133,127,862.53/13,814.45
  6. Step 6: Final answer
    x = 9,636.86

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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.