Home / 12,823.39-19,252.78-8,864.92

Finding the Fourth Proportional to 12,823.39, 19,252.78 and 8,864.92

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Solution

The fourth proportional to 12,823.39, 19,252.78 and 8,864.92 is: 13,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.39 : 19,252.78 = 8,864.92 : x
  2. Step 2: Convert to fraction form
    12,823.39/19,252.78 = 8,864.92/x
  3. Step 3: Cross multiply
    12,823.39x = 19,252.78 × 8,864.92
  4. Step 4: Simplify right side
    12,823.39x = 170,674,411.60
  5. Step 5: Solve for x
    x = 170,674,411.60/12,823.39
  6. Step 6: Final answer
    x = 13,309.61

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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.