Home / 12,944.21-19,412.15-4,177.08

Finding the Fourth Proportional to 12,944.21, 19,412.15 and 4,177.08

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Solution

The fourth proportional to 12,944.21, 19,412.15 and 4,177.08 is: 6,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.21 : 19,412.15 = 4,177.08 : x
  2. Step 2: Convert to fraction form
    12,944.21/19,412.15 = 4,177.08/x
  3. Step 3: Cross multiply
    12,944.21x = 19,412.15 × 4,177.08
  4. Step 4: Simplify right side
    12,944.21x = 81,086,082.64
  5. Step 5: Solve for x
    x = 81,086,082.64/12,944.21
  6. Step 6: Final answer
    x = 6,264.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.