Home / 12,826.20-19,245.95-9,705.27

Finding the Fourth Proportional to 12,826.20, 19,245.95 and 9,705.27

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Solution

The fourth proportional to 12,826.20, 19,245.95 and 9,705.27 is: 14,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.20 : 19,245.95 = 9,705.27 : x
  2. Step 2: Convert to fraction form
    12,826.20/19,245.95 = 9,705.27/x
  3. Step 3: Cross multiply
    12,826.20x = 19,245.95 × 9,705.27
  4. Step 4: Simplify right side
    12,826.20x = 186,787,147.53
  5. Step 5: Solve for x
    x = 186,787,147.53/12,826.20
  6. Step 6: Final answer
    x = 14,562.94

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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.