Home / 12,625.27-17,434.09-7,853.39

Finding the Fourth Proportional to 12,625.27, 17,434.09 and 7,853.39

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Solution

The fourth proportional to 12,625.27, 17,434.09 and 7,853.39 is: 10,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.27 : 17,434.09 = 7,853.39 : x
  2. Step 2: Convert to fraction form
    12,625.27/17,434.09 = 7,853.39/x
  3. Step 3: Cross multiply
    12,625.27x = 17,434.09 × 7,853.39
  4. Step 4: Simplify right side
    12,625.27x = 136,916,732.02
  5. Step 5: Solve for x
    x = 136,916,732.02/12,625.27
  6. Step 6: Final answer
    x = 10,844.66

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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.