Home / 12,934.94-19,392.58-6,690.98

Finding the Fourth Proportional to 12,934.94, 19,392.58 and 6,690.98

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Solution

The fourth proportional to 12,934.94, 19,392.58 and 6,690.98 is: 10,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.94 : 19,392.58 = 6,690.98 : x
  2. Step 2: Convert to fraction form
    12,934.94/19,392.58 = 6,690.98/x
  3. Step 3: Cross multiply
    12,934.94x = 19,392.58 × 6,690.98
  4. Step 4: Simplify right side
    12,934.94x = 129,755,364.93
  5. Step 5: Solve for x
    x = 129,755,364.93/12,934.94
  6. Step 6: Final answer
    x = 10,031.39

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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.