Home / 12,285.79-16,952.68-7,250.22

Finding the Fourth Proportional to 12,285.79, 16,952.68 and 7,250.22

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Solution

The fourth proportional to 12,285.79, 16,952.68 and 7,250.22 is: 10,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.79 : 16,952.68 = 7,250.22 : x
  2. Step 2: Convert to fraction form
    12,285.79/16,952.68 = 7,250.22/x
  3. Step 3: Cross multiply
    12,285.79x = 16,952.68 × 7,250.22
  4. Step 4: Simplify right side
    12,285.79x = 122,910,659.59
  5. Step 5: Solve for x
    x = 122,910,659.59/12,285.79
  6. Step 6: Final answer
    x = 10,004.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.