Home / 16,831.78-25,247.64-4,519.78

Finding the Fourth Proportional to 16,831.78, 25,247.64 and 4,519.78

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Solution

The fourth proportional to 16,831.78, 25,247.64 and 4,519.78 is: 6,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.78 : 25,247.64 = 4,519.78 : x
  2. Step 2: Convert to fraction form
    16,831.78/25,247.64 = 4,519.78/x
  3. Step 3: Cross multiply
    16,831.78x = 25,247.64 × 4,519.78
  4. Step 4: Simplify right side
    16,831.78x = 114,113,778.32
  5. Step 5: Solve for x
    x = 114,113,778.32/16,831.78
  6. Step 6: Final answer
    x = 6,779.66

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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.