Home / 13,292.15-19,938.24-3,932.33

Finding the Fourth Proportional to 13,292.15, 19,938.24 and 3,932.33

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Solution

The fourth proportional to 13,292.15, 19,938.24 and 3,932.33 is: 5,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.15 : 19,938.24 = 3,932.33 : x
  2. Step 2: Convert to fraction form
    13,292.15/19,938.24 = 3,932.33/x
  3. Step 3: Cross multiply
    13,292.15x = 19,938.24 × 3,932.33
  4. Step 4: Simplify right side
    13,292.15x = 78,403,639.61
  5. Step 5: Solve for x
    x = 78,403,639.61/13,292.15
  6. Step 6: Final answer
    x = 5,898.49

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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.