Home / 13,260.08-19,863.80-7,996.46

Finding the Fourth Proportional to 13,260.08, 19,863.80 and 7,996.46

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Solution

The fourth proportional to 13,260.08, 19,863.80 and 7,996.46 is: 11,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.08 : 19,863.80 = 7,996.46 : x
  2. Step 2: Convert to fraction form
    13,260.08/19,863.80 = 7,996.46/x
  3. Step 3: Cross multiply
    13,260.08x = 19,863.80 × 7,996.46
  4. Step 4: Simplify right side
    13,260.08x = 158,840,082.15
  5. Step 5: Solve for x
    x = 158,840,082.15/13,260.08
  6. Step 6: Final answer
    x = 11,978.82

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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.