Home / 12,446.52-17,176.16-6,857.52

Finding the Fourth Proportional to 12,446.52, 17,176.16 and 6,857.52

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Solution

The fourth proportional to 12,446.52, 17,176.16 and 6,857.52 is: 9,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.52 : 17,176.16 = 6,857.52 : x
  2. Step 2: Convert to fraction form
    12,446.52/17,176.16 = 6,857.52/x
  3. Step 3: Cross multiply
    12,446.52x = 17,176.16 × 6,857.52
  4. Step 4: Simplify right side
    12,446.52x = 117,785,860.72
  5. Step 5: Solve for x
    x = 117,785,860.72/12,446.52
  6. Step 6: Final answer
    x = 9,463.36

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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.