Home / 14,190.06-21,286.68-4,831.08

Finding the Fourth Proportional to 14,190.06, 21,286.68 and 4,831.08

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Solution

The fourth proportional to 14,190.06, 21,286.68 and 4,831.08 is: 7,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.06 : 21,286.68 = 4,831.08 : x
  2. Step 2: Convert to fraction form
    14,190.06/21,286.68 = 4,831.08/x
  3. Step 3: Cross multiply
    14,190.06x = 21,286.68 × 4,831.08
  4. Step 4: Simplify right side
    14,190.06x = 102,837,654.01
  5. Step 5: Solve for x
    x = 102,837,654.01/14,190.06
  6. Step 6: Final answer
    x = 7,247.16

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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.