Home / 13,228.94-19,842.76-4,910.57

Finding the Fourth Proportional to 13,228.94, 19,842.76 and 4,910.57

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Solution

The fourth proportional to 13,228.94, 19,842.76 and 4,910.57 is: 7,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.94 : 19,842.76 = 4,910.57 : x
  2. Step 2: Convert to fraction form
    13,228.94/19,842.76 = 4,910.57/x
  3. Step 3: Cross multiply
    13,228.94x = 19,842.76 × 4,910.57
  4. Step 4: Simplify right side
    13,228.94x = 97,439,237.42
  5. Step 5: Solve for x
    x = 97,439,237.42/13,228.94
  6. Step 6: Final answer
    x = 7,365.61

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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.