Home / 10,831.42-16,245.87-3,040.90

Finding the Fourth Proportional to 10,831.42, 16,245.87 and 3,040.90

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Solution

The fourth proportional to 10,831.42, 16,245.87 and 3,040.90 is: 4,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.42 : 16,245.87 = 3,040.90 : x
  2. Step 2: Convert to fraction form
    10,831.42/16,245.87 = 3,040.90/x
  3. Step 3: Cross multiply
    10,831.42x = 16,245.87 × 3,040.90
  4. Step 4: Simplify right side
    10,831.42x = 49,402,066.08
  5. Step 5: Solve for x
    x = 49,402,066.08/10,831.42
  6. Step 6: Final answer
    x = 4,561.00

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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.