Home / 18,085.44-24,959.09-10,128.17

Finding the Fourth Proportional to 18,085.44, 24,959.09 and 10,128.17

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Solution

The fourth proportional to 18,085.44, 24,959.09 and 10,128.17 is: 13,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.44 : 24,959.09 = 10,128.17 : x
  2. Step 2: Convert to fraction form
    18,085.44/24,959.09 = 10,128.17/x
  3. Step 3: Cross multiply
    18,085.44x = 24,959.09 × 10,128.17
  4. Step 4: Simplify right side
    18,085.44x = 252,789,937.31
  5. Step 5: Solve for x
    x = 252,789,937.31/18,085.44
  6. Step 6: Final answer
    x = 13,977.54

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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.