Home / 12,625.81-17,327.55-11,619.79

Finding the Fourth Proportional to 12,625.81, 17,327.55 and 11,619.79

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Solution

The fourth proportional to 12,625.81, 17,327.55 and 11,619.79 is: 15,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.81 : 17,327.55 = 11,619.79 : x
  2. Step 2: Convert to fraction form
    12,625.81/17,327.55 = 11,619.79/x
  3. Step 3: Cross multiply
    12,625.81x = 17,327.55 × 11,619.79
  4. Step 4: Simplify right side
    12,625.81x = 201,342,492.47
  5. Step 5: Solve for x
    x = 201,342,492.47/12,625.81
  6. Step 6: Final answer
    x = 15,946.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.