Home / 20,146.24-30,083.54-16,455.75

Finding the Fourth Proportional to 20,146.24, 30,083.54 and 16,455.75

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Solution

The fourth proportional to 20,146.24, 30,083.54 and 16,455.75 is: 24,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.24 : 30,083.54 = 16,455.75 : x
  2. Step 2: Convert to fraction form
    20,146.24/30,083.54 = 16,455.75/x
  3. Step 3: Cross multiply
    20,146.24x = 30,083.54 × 16,455.75
  4. Step 4: Simplify right side
    20,146.24x = 495,047,213.36
  5. Step 5: Solve for x
    x = 495,047,213.36/20,146.24
  6. Step 6: Final answer
    x = 24,572.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.