Home / 18,119.06-24,991.23-11,045.78

Finding the Fourth Proportional to 18,119.06, 24,991.23 and 11,045.78

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Solution

The fourth proportional to 18,119.06, 24,991.23 and 11,045.78 is: 15,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.06 : 24,991.23 = 11,045.78 : x
  2. Step 2: Convert to fraction form
    18,119.06/24,991.23 = 11,045.78/x
  3. Step 3: Cross multiply
    18,119.06x = 24,991.23 × 11,045.78
  4. Step 4: Simplify right side
    18,119.06x = 276,047,628.51
  5. Step 5: Solve for x
    x = 276,047,628.51/18,119.06
  6. Step 6: Final answer
    x = 15,235.21

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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.