Home / 13,932.04-19,226.21-7,963.83

Finding the Fourth Proportional to 13,932.04, 19,226.21 and 7,963.83

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Solution

The fourth proportional to 13,932.04, 19,226.21 and 7,963.83 is: 10,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.04 : 19,226.21 = 7,963.83 : x
  2. Step 2: Convert to fraction form
    13,932.04/19,226.21 = 7,963.83/x
  3. Step 3: Cross multiply
    13,932.04x = 19,226.21 × 7,963.83
  4. Step 4: Simplify right side
    13,932.04x = 153,114,345.06
  5. Step 5: Solve for x
    x = 153,114,345.06/13,932.04
  6. Step 6: Final answer
    x = 10,990.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.