Home / 13,208.27-19,812.45-3,347.55

Finding the Fourth Proportional to 13,208.27, 19,812.45 and 3,347.55

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Solution

The fourth proportional to 13,208.27, 19,812.45 and 3,347.55 is: 5,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.27 : 19,812.45 = 3,347.55 : x
  2. Step 2: Convert to fraction form
    13,208.27/19,812.45 = 3,347.55/x
  3. Step 3: Cross multiply
    13,208.27x = 19,812.45 × 3,347.55
  4. Step 4: Simplify right side
    13,208.27x = 66,323,167.00
  5. Step 5: Solve for x
    x = 66,323,167.00/13,208.27
  6. Step 6: Final answer
    x = 5,021.34

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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.