Home / 16,831.20-25,254.72-11,287.20

Finding the Fourth Proportional to 16,831.20, 25,254.72 and 11,287.20

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Solution

The fourth proportional to 16,831.20, 25,254.72 and 11,287.20 is: 16,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.20 : 25,254.72 = 11,287.20 : x
  2. Step 2: Convert to fraction form
    16,831.20/25,254.72 = 11,287.20/x
  3. Step 3: Cross multiply
    16,831.20x = 25,254.72 × 11,287.20
  4. Step 4: Simplify right side
    16,831.20x = 285,055,075.58
  5. Step 5: Solve for x
    x = 285,055,075.58/16,831.20
  6. Step 6: Final answer
    x = 16,936.11

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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.