Home / 13,006.06-19,511.14-4,238.94

Finding the Fourth Proportional to 13,006.06, 19,511.14 and 4,238.94

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Solution

The fourth proportional to 13,006.06, 19,511.14 and 4,238.94 is: 6,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.06 : 19,511.14 = 4,238.94 : x
  2. Step 2: Convert to fraction form
    13,006.06/19,511.14 = 4,238.94/x
  3. Step 3: Cross multiply
    13,006.06x = 19,511.14 × 4,238.94
  4. Step 4: Simplify right side
    13,006.06x = 82,706,551.79
  5. Step 5: Solve for x
    x = 82,706,551.79/13,006.06
  6. Step 6: Final answer
    x = 6,359.08

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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.