Home / 14,158.90-21,238.34-4,163.64

Finding the Fourth Proportional to 14,158.90, 21,238.34 and 4,163.64

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Solution

The fourth proportional to 14,158.90, 21,238.34 and 4,163.64 is: 6,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.90 : 21,238.34 = 4,163.64 : x
  2. Step 2: Convert to fraction form
    14,158.90/21,238.34 = 4,163.64/x
  3. Step 3: Cross multiply
    14,158.90x = 21,238.34 × 4,163.64
  4. Step 4: Simplify right side
    14,158.90x = 88,428,801.96
  5. Step 5: Solve for x
    x = 88,428,801.96/14,158.90
  6. Step 6: Final answer
    x = 6,245.46

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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.