Home / 14,052.70-21,103.35-13,615.30

Finding the Fourth Proportional to 14,052.70, 21,103.35 and 13,615.30

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Solution

The fourth proportional to 14,052.70, 21,103.35 and 13,615.30 is: 20,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.70 : 21,103.35 = 13,615.30 : x
  2. Step 2: Convert to fraction form
    14,052.70/21,103.35 = 13,615.30/x
  3. Step 3: Cross multiply
    14,052.70x = 21,103.35 × 13,615.30
  4. Step 4: Simplify right side
    14,052.70x = 287,328,441.26
  5. Step 5: Solve for x
    x = 287,328,441.26/14,052.70
  6. Step 6: Final answer
    x = 20,446.49

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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.