Home / 13,158.41-19,737.33-4,273.72

Finding the Fourth Proportional to 13,158.41, 19,737.33 and 4,273.72

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Solution

The fourth proportional to 13,158.41, 19,737.33 and 4,273.72 is: 6,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.41 : 19,737.33 = 4,273.72 : x
  2. Step 2: Convert to fraction form
    13,158.41/19,737.33 = 4,273.72/x
  3. Step 3: Cross multiply
    13,158.41x = 19,737.33 × 4,273.72
  4. Step 4: Simplify right side
    13,158.41x = 84,351,821.97
  5. Step 5: Solve for x
    x = 84,351,821.97/13,158.41
  6. Step 6: Final answer
    x = 6,410.49

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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.