Home / 14,470.08-19,951.20-12,228

Finding the Fourth Proportional to 14,470.08, 19,951.20 and 12,228

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Solution

The fourth proportional to 14,470.08, 19,951.20 and 12,228 is: 16,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.08 : 19,951.20 = 12,228 : x
  2. Step 2: Convert to fraction form
    14,470.08/19,951.20 = 12,228/x
  3. Step 3: Cross multiply
    14,470.08x = 19,951.20 × 12,228
  4. Step 4: Simplify right side
    14,470.08x = 243,963,273.60
  5. Step 5: Solve for x
    x = 243,963,273.60/14,470.08
  6. Step 6: Final answer
    x = 16,859.84

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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.