Home / 14,254.88-21,379.44-3,864.16

Finding the Fourth Proportional to 14,254.88, 21,379.44 and 3,864.16

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Solution

The fourth proportional to 14,254.88, 21,379.44 and 3,864.16 is: 5,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.88 : 21,379.44 = 3,864.16 : x
  2. Step 2: Convert to fraction form
    14,254.88/21,379.44 = 3,864.16/x
  3. Step 3: Cross multiply
    14,254.88x = 21,379.44 × 3,864.16
  4. Step 4: Simplify right side
    14,254.88x = 82,613,576.87
  5. Step 5: Solve for x
    x = 82,613,576.87/14,254.88
  6. Step 6: Final answer
    x = 5,795.46

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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.