Home / 14,123.60-21,187.20-5,361.02

Finding the Fourth Proportional to 14,123.60, 21,187.20 and 5,361.02

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Solution

The fourth proportional to 14,123.60, 21,187.20 and 5,361.02 is: 8,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.60 : 21,187.20 = 5,361.02 : x
  2. Step 2: Convert to fraction form
    14,123.60/21,187.20 = 5,361.02/x
  3. Step 3: Cross multiply
    14,123.60x = 21,187.20 × 5,361.02
  4. Step 4: Simplify right side
    14,123.60x = 113,585,002.94
  5. Step 5: Solve for x
    x = 113,585,002.94/14,123.60
  6. Step 6: Final answer
    x = 8,042.21

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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.