Home / 14,614.20-21,894.17-12,289.23

Finding the Fourth Proportional to 14,614.20, 21,894.17 and 12,289.23

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Solution

The fourth proportional to 14,614.20, 21,894.17 and 12,289.23 is: 18,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.20 : 21,894.17 = 12,289.23 : x
  2. Step 2: Convert to fraction form
    14,614.20/21,894.17 = 12,289.23/x
  3. Step 3: Cross multiply
    14,614.20x = 21,894.17 × 12,289.23
  4. Step 4: Simplify right side
    14,614.20x = 269,062,429.34
  5. Step 5: Solve for x
    x = 269,062,429.34/14,614.20
  6. Step 6: Final answer
    x = 18,411.03

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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.