Home / 13,305.86-19,972.64-9,799.83

Finding the Fourth Proportional to 13,305.86, 19,972.64 and 9,799.83

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Solution

The fourth proportional to 13,305.86, 19,972.64 and 9,799.83 is: 14,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.86 : 19,972.64 = 9,799.83 : x
  2. Step 2: Convert to fraction form
    13,305.86/19,972.64 = 9,799.83/x
  3. Step 3: Cross multiply
    13,305.86x = 19,972.64 × 9,799.83
  4. Step 4: Simplify right side
    13,305.86x = 195,728,427.65
  5. Step 5: Solve for x
    x = 195,728,427.65/13,305.86
  6. Step 6: Final answer
    x = 14,709.94

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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.