Home / 16,859.59-23,256.89-11,831.31

Finding the Fourth Proportional to 16,859.59, 23,256.89 and 11,831.31

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Solution

The fourth proportional to 16,859.59, 23,256.89 and 11,831.31 is: 16,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.59 : 23,256.89 = 11,831.31 : x
  2. Step 2: Convert to fraction form
    16,859.59/23,256.89 = 11,831.31/x
  3. Step 3: Cross multiply
    16,859.59x = 23,256.89 × 11,831.31
  4. Step 4: Simplify right side
    16,859.59x = 275,159,504.80
  5. Step 5: Solve for x
    x = 275,159,504.80/16,859.59
  6. Step 6: Final answer
    x = 16,320.65

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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.