Home / 13,283.39-19,927.71-3,923.57

Finding the Fourth Proportional to 13,283.39, 19,927.71 and 3,923.57

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Solution

The fourth proportional to 13,283.39, 19,927.71 and 3,923.57 is: 5,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.39 : 19,927.71 = 3,923.57 : x
  2. Step 2: Convert to fraction form
    13,283.39/19,927.71 = 3,923.57/x
  3. Step 3: Cross multiply
    13,283.39x = 19,927.71 × 3,923.57
  4. Step 4: Simplify right side
    13,283.39x = 78,187,765.12
  5. Step 5: Solve for x
    x = 78,187,765.12/13,283.39
  6. Step 6: Final answer
    x = 5,886.13

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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.