Home / 8,623.09-12,829.68-8,593.93

Finding the Fourth Proportional to 8,623.09, 12,829.68 and 8,593.93

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Solution

The fourth proportional to 8,623.09, 12,829.68 and 8,593.93 is: 12,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.09 : 12,829.68 = 8,593.93 : x
  2. Step 2: Convert to fraction form
    8,623.09/12,829.68 = 8,593.93/x
  3. Step 3: Cross multiply
    8,623.09x = 12,829.68 × 8,593.93
  4. Step 4: Simplify right side
    8,623.09x = 110,257,371.84
  5. Step 5: Solve for x
    x = 110,257,371.84/8,623.09
  6. Step 6: Final answer
    x = 12,786.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.