Home / 14,052.20-21,078.30-13,404.20

Finding the Fourth Proportional to 14,052.20, 21,078.30 and 13,404.20

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Solution

The fourth proportional to 14,052.20, 21,078.30 and 13,404.20 is: 20,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.20 : 21,078.30 = 13,404.20 : x
  2. Step 2: Convert to fraction form
    14,052.20/21,078.30 = 13,404.20/x
  3. Step 3: Cross multiply
    14,052.20x = 21,078.30 × 13,404.20
  4. Step 4: Simplify right side
    14,052.20x = 282,537,748.86
  5. Step 5: Solve for x
    x = 282,537,748.86/14,052.20
  6. Step 6: Final answer
    x = 20,106.30

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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.