Home / 19,529.28-29,304.48-12,958.56

Finding the Fourth Proportional to 19,529.28, 29,304.48 and 12,958.56

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Solution

The fourth proportional to 19,529.28, 29,304.48 and 12,958.56 is: 19,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.28 : 29,304.48 = 12,958.56 : x
  2. Step 2: Convert to fraction form
    19,529.28/29,304.48 = 12,958.56/x
  3. Step 3: Cross multiply
    19,529.28x = 29,304.48 × 12,958.56
  4. Step 4: Simplify right side
    19,529.28x = 379,743,862.35
  5. Step 5: Solve for x
    x = 379,743,862.35/19,529.28
  6. Step 6: Final answer
    x = 19,444.85

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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.