Home / 13,277.61-19,914.80-3,416.94

Finding the Fourth Proportional to 13,277.61, 19,914.80 and 3,416.94

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Solution

The fourth proportional to 13,277.61, 19,914.80 and 3,416.94 is: 5,124.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.61 : 19,914.80 = 3,416.94 : x
  2. Step 2: Convert to fraction form
    13,277.61/19,914.80 = 3,416.94/x
  3. Step 3: Cross multiply
    13,277.61x = 19,914.80 × 3,416.94
  4. Step 4: Simplify right side
    13,277.61x = 68,047,659.63
  5. Step 5: Solve for x
    x = 68,047,659.63/13,277.61
  6. Step 6: Final answer
    x = 5,124.99

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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.