Home / 13,151.01-19,729.21-4,831.11

Finding the Fourth Proportional to 13,151.01, 19,729.21 and 4,831.11

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Solution

The fourth proportional to 13,151.01, 19,729.21 and 4,831.11 is: 7,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.01 : 19,729.21 = 4,831.11 : x
  2. Step 2: Convert to fraction form
    13,151.01/19,729.21 = 4,831.11/x
  3. Step 3: Cross multiply
    13,151.01x = 19,729.21 × 4,831.11
  4. Step 4: Simplify right side
    13,151.01x = 95,313,890.68
  5. Step 5: Solve for x
    x = 95,313,890.68/13,151.01
  6. Step 6: Final answer
    x = 7,247.65

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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.