Home / 14,458.38-21,689.02-3,928.56

Finding the Fourth Proportional to 14,458.38, 21,689.02 and 3,928.56

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Solution

The fourth proportional to 14,458.38, 21,689.02 and 3,928.56 is: 5,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.38 : 21,689.02 = 3,928.56 : x
  2. Step 2: Convert to fraction form
    14,458.38/21,689.02 = 3,928.56/x
  3. Step 3: Cross multiply
    14,458.38x = 21,689.02 × 3,928.56
  4. Step 4: Simplify right side
    14,458.38x = 85,206,616.41
  5. Step 5: Solve for x
    x = 85,206,616.41/14,458.38
  6. Step 6: Final answer
    x = 5,893.23

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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.