Home / 13,283.40-19,927.72-3,923.58

Finding the Fourth Proportional to 13,283.40, 19,927.72 and 3,923.58

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Solution

The fourth proportional to 13,283.40, 19,927.72 and 3,923.58 is: 5,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.40 : 19,927.72 = 3,923.58 : x
  2. Step 2: Convert to fraction form
    13,283.40/19,927.72 = 3,923.58/x
  3. Step 3: Cross multiply
    13,283.40x = 19,927.72 × 3,923.58
  4. Step 4: Simplify right side
    13,283.40x = 78,188,003.64
  5. Step 5: Solve for x
    x = 78,188,003.64/13,283.40
  6. Step 6: Final answer
    x = 5,886.14

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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.