Home / 20,655.82-30,896.25-14,007.34

Finding the Fourth Proportional to 20,655.82, 30,896.25 and 14,007.34

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Solution

The fourth proportional to 20,655.82, 30,896.25 and 14,007.34 is: 20,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655.82 : 30,896.25 = 14,007.34 : x
  2. Step 2: Convert to fraction form
    20,655.82/30,896.25 = 14,007.34/x
  3. Step 3: Cross multiply
    20,655.82x = 30,896.25 × 14,007.34
  4. Step 4: Simplify right side
    20,655.82x = 432,774,278.48
  5. Step 5: Solve for x
    x = 432,774,278.48/20,655.82
  6. Step 6: Final answer
    x = 20,951.69

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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.