Home / 19,917.45-29,883.08-8,831.93

Finding the Fourth Proportional to 19,917.45, 29,883.08 and 8,831.93

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Solution

The fourth proportional to 19,917.45, 29,883.08 and 8,831.93 is: 13,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.45 : 29,883.08 = 8,831.93 : x
  2. Step 2: Convert to fraction form
    19,917.45/29,883.08 = 8,831.93/x
  3. Step 3: Cross multiply
    19,917.45x = 29,883.08 × 8,831.93
  4. Step 4: Simplify right side
    19,917.45x = 263,925,143.41
  5. Step 5: Solve for x
    x = 263,925,143.41/19,917.45
  6. Step 6: Final answer
    x = 13,250.95

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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.