Home / 14,121.36-21,184.20-4,630.72

Finding the Fourth Proportional to 14,121.36, 21,184.20 and 4,630.72

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Solution

The fourth proportional to 14,121.36, 21,184.20 and 4,630.72 is: 6,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.36 : 21,184.20 = 4,630.72 : x
  2. Step 2: Convert to fraction form
    14,121.36/21,184.20 = 4,630.72/x
  3. Step 3: Cross multiply
    14,121.36x = 21,184.20 × 4,630.72
  4. Step 4: Simplify right side
    14,121.36x = 98,098,098.62
  5. Step 5: Solve for x
    x = 98,098,098.62/14,121.36
  6. Step 6: Final answer
    x = 6,946.79

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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.