Home / 10,831.74-16,240.41-3,905.34

Finding the Fourth Proportional to 10,831.74, 16,240.41 and 3,905.34

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Solution

The fourth proportional to 10,831.74, 16,240.41 and 3,905.34 is: 5,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.74 : 16,240.41 = 3,905.34 : x
  2. Step 2: Convert to fraction form
    10,831.74/16,240.41 = 3,905.34/x
  3. Step 3: Cross multiply
    10,831.74x = 16,240.41 × 3,905.34
  4. Step 4: Simplify right side
    10,831.74x = 63,424,322.79
  5. Step 5: Solve for x
    x = 63,424,322.79/10,831.74
  6. Step 6: Final answer
    x = 5,855.41

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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.