Home / 19,983.24-29,941.92-12,962.88

Finding the Fourth Proportional to 19,983.24, 29,941.92 and 12,962.88

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Solution

The fourth proportional to 19,983.24, 29,941.92 and 12,962.88 is: 19,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.24 : 29,941.92 = 12,962.88 : x
  2. Step 2: Convert to fraction form
    19,983.24/29,941.92 = 12,962.88/x
  3. Step 3: Cross multiply
    19,983.24x = 29,941.92 × 12,962.88
  4. Step 4: Simplify right side
    19,983.24x = 388,133,515.93
  5. Step 5: Solve for x
    x = 388,133,515.93/19,983.24
  6. Step 6: Final answer
    x = 19,422.95

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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.