Home / 13,283.49-19,928.51-3,923.46

Finding the Fourth Proportional to 13,283.49, 19,928.51 and 3,923.46

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Solution

The fourth proportional to 13,283.49, 19,928.51 and 3,923.46 is: 5,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.49 : 19,928.51 = 3,923.46 : x
  2. Step 2: Convert to fraction form
    13,283.49/19,928.51 = 3,923.46/x
  3. Step 3: Cross multiply
    13,283.49x = 19,928.51 × 3,923.46
  4. Step 4: Simplify right side
    13,283.49x = 78,188,751.95
  5. Step 5: Solve for x
    x = 78,188,751.95/13,283.49
  6. Step 6: Final answer
    x = 5,886.16

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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.