Home / 12,507.13-18,744.97-11,012.68

Finding the Fourth Proportional to 12,507.13, 18,744.97 and 11,012.68

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Solution

The fourth proportional to 12,507.13, 18,744.97 and 11,012.68 is: 16,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.13 : 18,744.97 = 11,012.68 : x
  2. Step 2: Convert to fraction form
    12,507.13/18,744.97 = 11,012.68/x
  3. Step 3: Cross multiply
    12,507.13x = 18,744.97 × 11,012.68
  4. Step 4: Simplify right side
    12,507.13x = 206,432,356.22
  5. Step 5: Solve for x
    x = 206,432,356.22/12,507.13
  6. Step 6: Final answer
    x = 16,505.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.