Home / 12,960.06-19,439.96-5,938.08

Finding the Fourth Proportional to 12,960.06, 19,439.96 and 5,938.08

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Solution

The fourth proportional to 12,960.06, 19,439.96 and 5,938.08 is: 8,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.06 : 19,439.96 = 5,938.08 : x
  2. Step 2: Convert to fraction form
    12,960.06/19,439.96 = 5,938.08/x
  3. Step 3: Cross multiply
    12,960.06x = 19,439.96 × 5,938.08
  4. Step 4: Simplify right side
    12,960.06x = 115,436,037.68
  5. Step 5: Solve for x
    x = 115,436,037.68/12,960.06
  6. Step 6: Final answer
    x = 8,907.06

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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.