Home / 19,649.14-27,125.10-12,579.64

Finding the Fourth Proportional to 19,649.14, 27,125.10 and 12,579.64

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Solution

The fourth proportional to 19,649.14, 27,125.10 and 12,579.64 is: 17,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.14 : 27,125.10 = 12,579.64 : x
  2. Step 2: Convert to fraction form
    19,649.14/27,125.10 = 12,579.64/x
  3. Step 3: Cross multiply
    19,649.14x = 27,125.10 × 12,579.64
  4. Step 4: Simplify right side
    19,649.14x = 341,223,992.96
  5. Step 5: Solve for x
    x = 341,223,992.96/19,649.14
  6. Step 6: Final answer
    x = 17,365.85

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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.