Home / 19,933.88-27,506.68-12,275.92

Finding the Fourth Proportional to 19,933.88, 27,506.68 and 12,275.92

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Solution

The fourth proportional to 19,933.88, 27,506.68 and 12,275.92 is: 16,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.88 : 27,506.68 = 12,275.92 : x
  2. Step 2: Convert to fraction form
    19,933.88/27,506.68 = 12,275.92/x
  3. Step 3: Cross multiply
    19,933.88x = 27,506.68 × 12,275.92
  4. Step 4: Simplify right side
    19,933.88x = 337,669,803.15
  5. Step 5: Solve for x
    x = 337,669,803.15/19,933.88
  6. Step 6: Final answer
    x = 16,939.49

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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.