Home / 14,163.90-21,247.24-5,160.46

Finding the Fourth Proportional to 14,163.90, 21,247.24 and 5,160.46

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Solution

The fourth proportional to 14,163.90, 21,247.24 and 5,160.46 is: 7,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.90 : 21,247.24 = 5,160.46 : x
  2. Step 2: Convert to fraction form
    14,163.90/21,247.24 = 5,160.46/x
  3. Step 3: Cross multiply
    14,163.90x = 21,247.24 × 5,160.46
  4. Step 4: Simplify right side
    14,163.90x = 109,645,545.79
  5. Step 5: Solve for x
    x = 109,645,545.79/14,163.90
  6. Step 6: Final answer
    x = 7,741.20

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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.