Home / 16,909.80-25,326.30-9,997.80

Finding the Fourth Proportional to 16,909.80, 25,326.30 and 9,997.80

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Solution

The fourth proportional to 16,909.80, 25,326.30 and 9,997.80 is: 14,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.80 : 25,326.30 = 9,997.80 : x
  2. Step 2: Convert to fraction form
    16,909.80/25,326.30 = 9,997.80/x
  3. Step 3: Cross multiply
    16,909.80x = 25,326.30 × 9,997.80
  4. Step 4: Simplify right side
    16,909.80x = 253,207,282.14
  5. Step 5: Solve for x
    x = 253,207,282.14/16,909.80
  6. Step 6: Final answer
    x = 14,974.00

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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.