Home / 13,005.82-19,506.70-4,240.68

Finding the Fourth Proportional to 13,005.82, 19,506.70 and 4,240.68

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Solution

The fourth proportional to 13,005.82, 19,506.70 and 4,240.68 is: 6,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.82 : 19,506.70 = 4,240.68 : x
  2. Step 2: Convert to fraction form
    13,005.82/19,506.70 = 4,240.68/x
  3. Step 3: Cross multiply
    13,005.82x = 19,506.70 × 4,240.68
  4. Step 4: Simplify right side
    13,005.82x = 82,721,672.56
  5. Step 5: Solve for x
    x = 82,721,672.56/13,005.82
  6. Step 6: Final answer
    x = 6,360.36

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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.