Home / 11,678.94-16,117.02-6,373.80

Finding the Fourth Proportional to 11,678.94, 16,117.02 and 6,373.80

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Solution

The fourth proportional to 11,678.94, 16,117.02 and 6,373.80 is: 8,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.94 : 16,117.02 = 6,373.80 : x
  2. Step 2: Convert to fraction form
    11,678.94/16,117.02 = 6,373.80/x
  3. Step 3: Cross multiply
    11,678.94x = 16,117.02 × 6,373.80
  4. Step 4: Simplify right side
    11,678.94x = 102,726,662.08
  5. Step 5: Solve for x
    x = 102,726,662.08/11,678.94
  6. Step 6: Final answer
    x = 8,795.89

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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.