Home / 14,623.60-21,871.40-13,074.80

Finding the Fourth Proportional to 14,623.60, 21,871.40 and 13,074.80

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Solution

The fourth proportional to 14,623.60, 21,871.40 and 13,074.80 is: 19,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.60 : 21,871.40 = 13,074.80 : x
  2. Step 2: Convert to fraction form
    14,623.60/21,871.40 = 13,074.80/x
  3. Step 3: Cross multiply
    14,623.60x = 21,871.40 × 13,074.80
  4. Step 4: Simplify right side
    14,623.60x = 285,964,180.72
  5. Step 5: Solve for x
    x = 285,964,180.72/14,623.60
  6. Step 6: Final answer
    x = 19,554.98

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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.