Home / 11,831.78-17,753.10-4,436.84

Finding the Fourth Proportional to 11,831.78, 17,753.10 and 4,436.84

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Solution

The fourth proportional to 11,831.78, 17,753.10 and 4,436.84 is: 6,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.78 : 17,753.10 = 4,436.84 : x
  2. Step 2: Convert to fraction form
    11,831.78/17,753.10 = 4,436.84/x
  3. Step 3: Cross multiply
    11,831.78x = 17,753.10 × 4,436.84
  4. Step 4: Simplify right side
    11,831.78x = 78,767,664.20
  5. Step 5: Solve for x
    x = 78,767,664.20/11,831.78
  6. Step 6: Final answer
    x = 6,657.30

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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.