Home / 14,621.31-21,906.95-12,296.34

Finding the Fourth Proportional to 14,621.31, 21,906.95 and 12,296.34

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Solution

The fourth proportional to 14,621.31, 21,906.95 and 12,296.34 is: 18,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.31 : 21,906.95 = 12,296.34 : x
  2. Step 2: Convert to fraction form
    14,621.31/21,906.95 = 12,296.34/x
  3. Step 3: Cross multiply
    14,621.31x = 21,906.95 × 12,296.34
  4. Step 4: Simplify right side
    14,621.31x = 269,375,244.08
  5. Step 5: Solve for x
    x = 269,375,244.08/14,621.31
  6. Step 6: Final answer
    x = 18,423.47

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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.