Home / 13,228.50-19,840.44-4,343.70

Finding the Fourth Proportional to 13,228.50, 19,840.44 and 4,343.70

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Solution

The fourth proportional to 13,228.50, 19,840.44 and 4,343.70 is: 6,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.50 : 19,840.44 = 4,343.70 : x
  2. Step 2: Convert to fraction form
    13,228.50/19,840.44 = 4,343.70/x
  3. Step 3: Cross multiply
    13,228.50x = 19,840.44 × 4,343.70
  4. Step 4: Simplify right side
    13,228.50x = 86,180,919.23
  5. Step 5: Solve for x
    x = 86,180,919.23/13,228.50
  6. Step 6: Final answer
    x = 6,514.79

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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.