Home / 11,831.52-17,741.10-4,807.53

Finding the Fourth Proportional to 11,831.52, 17,741.10 and 4,807.53

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Solution

The fourth proportional to 11,831.52, 17,741.10 and 4,807.53 is: 7,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.52 : 17,741.10 = 4,807.53 : x
  2. Step 2: Convert to fraction form
    11,831.52/17,741.10 = 4,807.53/x
  3. Step 3: Cross multiply
    11,831.52x = 17,741.10 × 4,807.53
  4. Step 4: Simplify right side
    11,831.52x = 85,290,870.48
  5. Step 5: Solve for x
    x = 85,290,870.48/11,831.52
  6. Step 6: Final answer
    x = 7,208.78

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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.