Home / 17,959.89-26,936.38-10,555.70

Finding the Fourth Proportional to 17,959.89, 26,936.38 and 10,555.70

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Solution

The fourth proportional to 17,959.89, 26,936.38 and 10,555.70 is: 15,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.89 : 26,936.38 = 10,555.70 : x
  2. Step 2: Convert to fraction form
    17,959.89/26,936.38 = 10,555.70/x
  3. Step 3: Cross multiply
    17,959.89x = 26,936.38 × 10,555.70
  4. Step 4: Simplify right side
    17,959.89x = 284,332,346.37
  5. Step 5: Solve for x
    x = 284,332,346.37/17,959.89
  6. Step 6: Final answer
    x = 15,831.52

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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.