Home / 13,764.18-20,646.72-5,446.29

Finding the Fourth Proportional to 13,764.18, 20,646.72 and 5,446.29

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Solution

The fourth proportional to 13,764.18, 20,646.72 and 5,446.29 is: 8,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.18 : 20,646.72 = 5,446.29 : x
  2. Step 2: Convert to fraction form
    13,764.18/20,646.72 = 5,446.29/x
  3. Step 3: Cross multiply
    13,764.18x = 20,646.72 × 5,446.29
  4. Step 4: Simplify right side
    13,764.18x = 112,448,024.67
  5. Step 5: Solve for x
    x = 112,448,024.67/13,764.18
  6. Step 6: Final answer
    x = 8,169.61

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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.