Home / 14,223.68-19,623.99-9,190.86

Finding the Fourth Proportional to 14,223.68, 19,623.99 and 9,190.86

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Solution

The fourth proportional to 14,223.68, 19,623.99 and 9,190.86 is: 12,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.68 : 19,623.99 = 9,190.86 : x
  2. Step 2: Convert to fraction form
    14,223.68/19,623.99 = 9,190.86/x
  3. Step 3: Cross multiply
    14,223.68x = 19,623.99 × 9,190.86
  4. Step 4: Simplify right side
    14,223.68x = 180,361,344.73
  5. Step 5: Solve for x
    x = 180,361,344.73/14,223.68
  6. Step 6: Final answer
    x = 12,680.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.