Home / 14,201.28-21,302.12-5,436.64

Finding the Fourth Proportional to 14,201.28, 21,302.12 and 5,436.64

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Solution

The fourth proportional to 14,201.28, 21,302.12 and 5,436.64 is: 8,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.28 : 21,302.12 = 5,436.64 : x
  2. Step 2: Convert to fraction form
    14,201.28/21,302.12 = 5,436.64/x
  3. Step 3: Cross multiply
    14,201.28x = 21,302.12 × 5,436.64
  4. Step 4: Simplify right side
    14,201.28x = 115,811,957.68
  5. Step 5: Solve for x
    x = 115,811,957.68/14,201.28
  6. Step 6: Final answer
    x = 8,155.04

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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.