Home / 13,011.53-19,523.34-4,128.26

Finding the Fourth Proportional to 13,011.53, 19,523.34 and 4,128.26

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Solution

The fourth proportional to 13,011.53, 19,523.34 and 4,128.26 is: 6,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.53 : 19,523.34 = 4,128.26 : x
  2. Step 2: Convert to fraction form
    13,011.53/19,523.34 = 4,128.26/x
  3. Step 3: Cross multiply
    13,011.53x = 19,523.34 × 4,128.26
  4. Step 4: Simplify right side
    13,011.53x = 80,597,325.97
  5. Step 5: Solve for x
    x = 80,597,325.97/13,011.53
  6. Step 6: Final answer
    x = 6,194.30

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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.