Home / 13,294.09-19,936.18-4,407.78

Finding the Fourth Proportional to 13,294.09, 19,936.18 and 4,407.78

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Solution

The fourth proportional to 13,294.09, 19,936.18 and 4,407.78 is: 6,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.09 : 19,936.18 = 4,407.78 : x
  2. Step 2: Convert to fraction form
    13,294.09/19,936.18 = 4,407.78/x
  3. Step 3: Cross multiply
    13,294.09x = 19,936.18 × 4,407.78
  4. Step 4: Simplify right side
    13,294.09x = 87,874,350.96
  5. Step 5: Solve for x
    x = 87,874,350.96/13,294.09
  6. Step 6: Final answer
    x = 6,610.03

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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.