Home / 14,831.36-20,466.50-8,115.68

Finding the Fourth Proportional to 14,831.36, 20,466.50 and 8,115.68

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Solution

The fourth proportional to 14,831.36, 20,466.50 and 8,115.68 is: 11,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.36 : 20,466.50 = 8,115.68 : x
  2. Step 2: Convert to fraction form
    14,831.36/20,466.50 = 8,115.68/x
  3. Step 3: Cross multiply
    14,831.36x = 20,466.50 × 8,115.68
  4. Step 4: Simplify right side
    14,831.36x = 166,099,564.72
  5. Step 5: Solve for x
    x = 166,099,564.72/14,831.36
  6. Step 6: Final answer
    x = 11,199.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.