Home / 19,472.40-29,208.60-13,895.55

Finding the Fourth Proportional to 19,472.40, 29,208.60 and 13,895.55

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Solution

The fourth proportional to 19,472.40, 29,208.60 and 13,895.55 is: 20,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.40 : 29,208.60 = 13,895.55 : x
  2. Step 2: Convert to fraction form
    19,472.40/29,208.60 = 13,895.55/x
  3. Step 3: Cross multiply
    19,472.40x = 29,208.60 × 13,895.55
  4. Step 4: Simplify right side
    19,472.40x = 405,869,561.73
  5. Step 5: Solve for x
    x = 405,869,561.73/19,472.40
  6. Step 6: Final answer
    x = 20,843.33

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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.