Home / 12,243.92-16,895.24-6,937.72

Finding the Fourth Proportional to 12,243.92, 16,895.24 and 6,937.72

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Solution

The fourth proportional to 12,243.92, 16,895.24 and 6,937.72 is: 9,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.92 : 16,895.24 = 6,937.72 : x
  2. Step 2: Convert to fraction form
    12,243.92/16,895.24 = 6,937.72/x
  3. Step 3: Cross multiply
    12,243.92x = 16,895.24 × 6,937.72
  4. Step 4: Simplify right side
    12,243.92x = 117,214,444.45
  5. Step 5: Solve for x
    x = 117,214,444.45/12,243.92
  6. Step 6: Final answer
    x = 9,573.28

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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.