Home / 13,215.92-19,827.52-10,744.60

Finding the Fourth Proportional to 13,215.92, 19,827.52 and 10,744.60

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Solution

The fourth proportional to 13,215.92, 19,827.52 and 10,744.60 is: 16,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.92 : 19,827.52 = 10,744.60 : x
  2. Step 2: Convert to fraction form
    13,215.92/19,827.52 = 10,744.60/x
  3. Step 3: Cross multiply
    13,215.92x = 19,827.52 × 10,744.60
  4. Step 4: Simplify right side
    13,215.92x = 213,038,771.39
  5. Step 5: Solve for x
    x = 213,038,771.39/13,215.92
  6. Step 6: Final answer
    x = 16,119.86

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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.