Home / 12,460.77-18,610.39-11,288.43

Finding the Fourth Proportional to 12,460.77, 18,610.39 and 11,288.43

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Solution

The fourth proportional to 12,460.77, 18,610.39 and 11,288.43 is: 16,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.77 : 18,610.39 = 11,288.43 : x
  2. Step 2: Convert to fraction form
    12,460.77/18,610.39 = 11,288.43/x
  3. Step 3: Cross multiply
    12,460.77x = 18,610.39 × 11,288.43
  4. Step 4: Simplify right side
    12,460.77x = 210,082,084.79
  5. Step 5: Solve for x
    x = 210,082,084.79/12,460.77
  6. Step 6: Final answer
    x = 16,859.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.