Home / 12,301.92-16,975.80-6,996.78

Finding the Fourth Proportional to 12,301.92, 16,975.80 and 6,996.78

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Solution

The fourth proportional to 12,301.92, 16,975.80 and 6,996.78 is: 9,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.92 : 16,975.80 = 6,996.78 : x
  2. Step 2: Convert to fraction form
    12,301.92/16,975.80 = 6,996.78/x
  3. Step 3: Cross multiply
    12,301.92x = 16,975.80 × 6,996.78
  4. Step 4: Simplify right side
    12,301.92x = 118,775,937.92
  5. Step 5: Solve for x
    x = 118,775,937.92/12,301.92
  6. Step 6: Final answer
    x = 9,655.07

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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.