Home / 12,725.39-17,577.88-10,607.85

Finding the Fourth Proportional to 12,725.39, 17,577.88 and 10,607.85

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Solution

The fourth proportional to 12,725.39, 17,577.88 and 10,607.85 is: 14,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.39 : 17,577.88 = 10,607.85 : x
  2. Step 2: Convert to fraction form
    12,725.39/17,577.88 = 10,607.85/x
  3. Step 3: Cross multiply
    12,725.39x = 17,577.88 × 10,607.85
  4. Step 4: Simplify right side
    12,725.39x = 186,463,514.36
  5. Step 5: Solve for x
    x = 186,463,514.36/12,725.39
  6. Step 6: Final answer
    x = 14,652.87

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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.