Home / 14,892.60-22,382.10-12,991.80

Finding the Fourth Proportional to 14,892.60, 22,382.10 and 12,991.80

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Solution

The fourth proportional to 14,892.60, 22,382.10 and 12,991.80 is: 19,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.60 : 22,382.10 = 12,991.80 : x
  2. Step 2: Convert to fraction form
    14,892.60/22,382.10 = 12,991.80/x
  3. Step 3: Cross multiply
    14,892.60x = 22,382.10 × 12,991.80
  4. Step 4: Simplify right side
    14,892.60x = 290,783,766.78
  5. Step 5: Solve for x
    x = 290,783,766.78/14,892.60
  6. Step 6: Final answer
    x = 19,525.39

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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.