Home / 12,134.50-16,747.17-6,830.35

Finding the Fourth Proportional to 12,134.50, 16,747.17 and 6,830.35

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Solution

The fourth proportional to 12,134.50, 16,747.17 and 6,830.35 is: 9,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.50 : 16,747.17 = 6,830.35 : x
  2. Step 2: Convert to fraction form
    12,134.50/16,747.17 = 6,830.35/x
  3. Step 3: Cross multiply
    12,134.50x = 16,747.17 × 6,830.35
  4. Step 4: Simplify right side
    12,134.50x = 114,389,032.61
  5. Step 5: Solve for x
    x = 114,389,032.61/12,134.50
  6. Step 6: Final answer
    x = 9,426.76

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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.