Home / 14,127.96-21,193.40-3,739.68

Finding the Fourth Proportional to 14,127.96, 21,193.40 and 3,739.68

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Solution

The fourth proportional to 14,127.96, 21,193.40 and 3,739.68 is: 5,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.96 : 21,193.40 = 3,739.68 : x
  2. Step 2: Convert to fraction form
    14,127.96/21,193.40 = 3,739.68/x
  3. Step 3: Cross multiply
    14,127.96x = 21,193.40 × 3,739.68
  4. Step 4: Simplify right side
    14,127.96x = 79,256,534.11
  5. Step 5: Solve for x
    x = 79,256,534.11/14,127.96
  6. Step 6: Final answer
    x = 5,609.91

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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.