Home / 12,708.09-17,553.90-9,760.35

Finding the Fourth Proportional to 12,708.09, 17,553.90 and 9,760.35

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Solution

The fourth proportional to 12,708.09, 17,553.90 and 9,760.35 is: 13,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.09 : 17,553.90 = 9,760.35 : x
  2. Step 2: Convert to fraction form
    12,708.09/17,553.90 = 9,760.35/x
  3. Step 3: Cross multiply
    12,708.09x = 17,553.90 × 9,760.35
  4. Step 4: Simplify right side
    12,708.09x = 171,332,207.87
  5. Step 5: Solve for x
    x = 171,332,207.87/12,708.09
  6. Step 6: Final answer
    x = 13,482.14

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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.