Home / 12,945.56-19,419.11-4,062.56

Finding the Fourth Proportional to 12,945.56, 19,419.11 and 4,062.56

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Solution

The fourth proportional to 12,945.56, 19,419.11 and 4,062.56 is: 6,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945.56 : 19,419.11 = 4,062.56 : x
  2. Step 2: Convert to fraction form
    12,945.56/19,419.11 = 4,062.56/x
  3. Step 3: Cross multiply
    12,945.56x = 19,419.11 × 4,062.56
  4. Step 4: Simplify right side
    12,945.56x = 78,891,197.35
  5. Step 5: Solve for x
    x = 78,891,197.35/12,945.56
  6. Step 6: Final answer
    x = 6,094.08

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1.5x scale

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.