Home / 19,818.94-27,352.92-12,267.70

Finding the Fourth Proportional to 19,818.94, 27,352.92 and 12,267.70

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Solution

The fourth proportional to 19,818.94, 27,352.92 and 12,267.70 is: 16,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.94 : 27,352.92 = 12,267.70 : x
  2. Step 2: Convert to fraction form
    19,818.94/27,352.92 = 12,267.70/x
  3. Step 3: Cross multiply
    19,818.94x = 27,352.92 × 12,267.70
  4. Step 4: Simplify right side
    19,818.94x = 335,557,416.68
  5. Step 5: Solve for x
    x = 335,557,416.68/19,818.94
  6. Step 6: Final answer
    x = 16,931.15

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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.