Home / 12,240.91-16,892.51-6,936.76

Finding the Fourth Proportional to 12,240.91, 16,892.51 and 6,936.76

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Solution

The fourth proportional to 12,240.91, 16,892.51 and 6,936.76 is: 9,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.91 : 16,892.51 = 6,936.76 : x
  2. Step 2: Convert to fraction form
    12,240.91/16,892.51 = 6,936.76/x
  3. Step 3: Cross multiply
    12,240.91x = 16,892.51 × 6,936.76
  4. Step 4: Simplify right side
    12,240.91x = 117,179,287.67
  5. Step 5: Solve for x
    x = 117,179,287.67/12,240.91
  6. Step 6: Final answer
    x = 9,572.76

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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.