Home / 14,905.60-22,372.80-12,716.80

Finding the Fourth Proportional to 14,905.60, 22,372.80 and 12,716.80

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Solution

The fourth proportional to 14,905.60, 22,372.80 and 12,716.80 is: 19,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.60 : 22,372.80 = 12,716.80 : x
  2. Step 2: Convert to fraction form
    14,905.60/22,372.80 = 12,716.80/x
  3. Step 3: Cross multiply
    14,905.60x = 22,372.80 × 12,716.80
  4. Step 4: Simplify right side
    14,905.60x = 284,510,423.04
  5. Step 5: Solve for x
    x = 284,510,423.04/14,905.60
  6. Step 6: Final answer
    x = 19,087.49

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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.