Home / 14,446.20-21,626.10-12,718.20

Finding the Fourth Proportional to 14,446.20, 21,626.10 and 12,718.20

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Solution

The fourth proportional to 14,446.20, 21,626.10 and 12,718.20 is: 19,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.20 : 21,626.10 = 12,718.20 : x
  2. Step 2: Convert to fraction form
    14,446.20/21,626.10 = 12,718.20/x
  3. Step 3: Cross multiply
    14,446.20x = 21,626.10 × 12,718.20
  4. Step 4: Simplify right side
    14,446.20x = 275,045,065.02
  5. Step 5: Solve for x
    x = 275,045,065.02/14,446.20
  6. Step 6: Final answer
    x = 19,039.27

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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.