Home / 14,253.24-21,381.28-11,645.45

Finding the Fourth Proportional to 14,253.24, 21,381.28 and 11,645.45

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Solution

The fourth proportional to 14,253.24, 21,381.28 and 11,645.45 is: 17,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.24 : 21,381.28 = 11,645.45 : x
  2. Step 2: Convert to fraction form
    14,253.24/21,381.28 = 11,645.45/x
  3. Step 3: Cross multiply
    14,253.24x = 21,381.28 × 11,645.45
  4. Step 4: Simplify right side
    14,253.24x = 248,994,520.27
  5. Step 5: Solve for x
    x = 248,994,520.27/14,253.24
  6. Step 6: Final answer
    x = 17,469.33

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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.