Home / 12,960.56-19,440.71-5,938.58

Finding the Fourth Proportional to 12,960.56, 19,440.71 and 5,938.58

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Solution

The fourth proportional to 12,960.56, 19,440.71 and 5,938.58 is: 8,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.56 : 19,440.71 = 5,938.58 : x
  2. Step 2: Convert to fraction form
    12,960.56/19,440.71 = 5,938.58/x
  3. Step 3: Cross multiply
    12,960.56x = 19,440.71 × 5,938.58
  4. Step 4: Simplify right side
    12,960.56x = 115,450,084.70
  5. Step 5: Solve for x
    x = 115,450,084.70/12,960.56
  6. Step 6: Final answer
    x = 8,907.80

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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.