Home / 12,250.68-16,899.60-7,212.48

Finding the Fourth Proportional to 12,250.68, 16,899.60 and 7,212.48

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Solution

The fourth proportional to 12,250.68, 16,899.60 and 7,212.48 is: 9,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.68 : 16,899.60 = 7,212.48 : x
  2. Step 2: Convert to fraction form
    12,250.68/16,899.60 = 7,212.48/x
  3. Step 3: Cross multiply
    12,250.68x = 16,899.60 × 7,212.48
  4. Step 4: Simplify right side
    12,250.68x = 121,888,027.01
  5. Step 5: Solve for x
    x = 121,888,027.01/12,250.68
  6. Step 6: Final answer
    x = 9,949.49

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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.