Home / 13,064.70-19,562.25-8,912.82

Finding the Fourth Proportional to 13,064.70, 19,562.25 and 8,912.82

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Solution

The fourth proportional to 13,064.70, 19,562.25 and 8,912.82 is: 13,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.70 : 19,562.25 = 8,912.82 : x
  2. Step 2: Convert to fraction form
    13,064.70/19,562.25 = 8,912.82/x
  3. Step 3: Cross multiply
    13,064.70x = 19,562.25 × 8,912.82
  4. Step 4: Simplify right side
    13,064.70x = 174,354,813.05
  5. Step 5: Solve for x
    x = 174,354,813.05/13,064.70
  6. Step 6: Final answer
    x = 13,345.49

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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.