Home / 10,831.30-16,246.94-3,040.72

Finding the Fourth Proportional to 10,831.30, 16,246.94 and 3,040.72

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Solution

The fourth proportional to 10,831.30, 16,246.94 and 3,040.72 is: 4,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.30 : 16,246.94 = 3,040.72 : x
  2. Step 2: Convert to fraction form
    10,831.30/16,246.94 = 3,040.72/x
  3. Step 3: Cross multiply
    10,831.30x = 16,246.94 × 3,040.72
  4. Step 4: Simplify right side
    10,831.30x = 49,402,395.40
  5. Step 5: Solve for x
    x = 49,402,395.40/10,831.30
  6. Step 6: Final answer
    x = 4,561.08

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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.