Home / 13,026.92-19,529.39-8,855.21

Finding the Fourth Proportional to 13,026.92, 19,529.39 and 8,855.21

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Solution

The fourth proportional to 13,026.92, 19,529.39 and 8,855.21 is: 13,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.92 : 19,529.39 = 8,855.21 : x
  2. Step 2: Convert to fraction form
    13,026.92/19,529.39 = 8,855.21/x
  3. Step 3: Cross multiply
    13,026.92x = 19,529.39 × 8,855.21
  4. Step 4: Simplify right side
    13,026.92x = 172,936,920.58
  5. Step 5: Solve for x
    x = 172,936,920.58/13,026.92
  6. Step 6: Final answer
    x = 13,275.35

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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.