Home / 14,680-22,015.68-4,289.28

Finding the Fourth Proportional to 14,680, 22,015.68 and 4,289.28

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Solution

The fourth proportional to 14,680, 22,015.68 and 4,289.28 is: 6,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680 : 22,015.68 = 4,289.28 : x
  2. Step 2: Convert to fraction form
    14,680/22,015.68 = 4,289.28/x
  3. Step 3: Cross multiply
    14,680x = 22,015.68 × 4,289.28
  4. Step 4: Simplify right side
    14,680x = 94,431,415.91
  5. Step 5: Solve for x
    x = 94,431,415.91/14,680
  6. Step 6: Final answer
    x = 6,432.66

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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.