Home / 13,011.90-19,520.94-4,246.82

Finding the Fourth Proportional to 13,011.90, 19,520.94 and 4,246.82

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Solution

The fourth proportional to 13,011.90, 19,520.94 and 4,246.82 is: 6,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.90 : 19,520.94 = 4,246.82 : x
  2. Step 2: Convert to fraction form
    13,011.90/19,520.94 = 4,246.82/x
  3. Step 3: Cross multiply
    13,011.90x = 19,520.94 × 4,246.82
  4. Step 4: Simplify right side
    13,011.90x = 82,901,918.41
  5. Step 5: Solve for x
    x = 82,901,918.41/13,011.90
  6. Step 6: Final answer
    x = 6,371.24

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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.