Home / 13,021.12-19,533.30-4,252.96

Finding the Fourth Proportional to 13,021.12, 19,533.30 and 4,252.96

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Solution

The fourth proportional to 13,021.12, 19,533.30 and 4,252.96 is: 6,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.12 : 19,533.30 = 4,252.96 : x
  2. Step 2: Convert to fraction form
    13,021.12/19,533.30 = 4,252.96/x
  3. Step 3: Cross multiply
    13,021.12x = 19,533.30 × 4,252.96
  4. Step 4: Simplify right side
    13,021.12x = 83,074,343.57
  5. Step 5: Solve for x
    x = 83,074,343.57/13,021.12
  6. Step 6: Final answer
    x = 6,379.97

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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.